Eps Sandwich Panel Manufacturers in Pakistan

  • By Geo Tech
  • August 10, 2026
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Eps Sandwich Panel Manufacturers in Pakistan

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Description

EPS Sandwich Panel Manufacturers in Pakistan

Silver Steel Mills manufactures and supplies EPS sandwich panels in Pakistan for industrial sheds, warehouses, factories, poultry buildings, dairy sheds, offices, workshops, prefabricated buildings and PEB structures.

These panels are commonly known in the Pakistani market as Thermopore sandwich panels, EPS panels, EPS insulated panels, EPS wall panels and EPS roofing panels. The system combines a lightweight EPS insulation core with pre-painted steel sheets to provide a faster alternative to conventional brick/block wall construction.

What Is an EPS Sandwich Panel?

An EPS sandwich panel is a composite insulated building panel made from an Expanded Polystyrene (EPS) / Thermopore core placed between two steel skins.

The steel skins protect the insulation from the external environment while the EPS core provides thermal insulation and reduces the amount of heat transferred through the roof or wall.

Unlike a conventional wall that requires masonry, plaster, curing and painting, an EPS sandwich panel is supplied as a factory-manufactured building component and can be fixed directly to the structural frame, purlins or wall girts.

EPS Sandwich Panel Specifications by Silver Steel Mills

For projects where an economical insulated wall or roof system is required, the following configuration can be supplied subject to project requirements:

Component Specification
Core Material Expanded Polystyrene (EPS), commonly called Thermopore
EPS Density 16–18 kg/m³
Top / External Steel Skin 0.45 mm PPGI
Bottom / Internal Steel Skin 0.40 mm PPGI
Panel Type Insulated EPS sandwich panel
Application Roofing, external walls and internal partitions
Support PEB purlins, girts, steel frames and suitable secondary structural members
Joint Interlocking/profiled joint according to panel design
Finish Factory-coated pre-painted steel surface
Important: Panel thickness, effective cover width, length, profile and joint configuration should be confirmed against the architectural and structural drawings before production.

Why 16–18 kg/m³ EPS Density Matters

EPS density is one of the important specifications when comparing EPS sandwich panels from different manufacturers.

A panel should not be compared only on the basis of its thickness. Two panels may have the same thickness but different EPS densities, resulting in different weight, insulation performance and overall panel characteristics.

The 16–18 kg/m³ EPS density range is suitable for many economical industrial, commercial and agricultural applications where an insulated enclosure is required without the higher cost of PU/PUF insulation.

For temperature-critical buildings, cold rooms or projects requiring higher thermal resistance, the insulation type and thickness should be selected according to the actual heat-load calculation rather than simply choosing an EPS panel.

0.45 mm PPGI Top + 0.40 mm PPGI Bottom Sheet

The steel skins perform a different function from the EPS core. The EPS core provides insulation, while the PPGI skins provide the panel with its external surface, protection and rigidity.

Layer Specification Primary Function
External / Top Skin 0.45 mm PPGI Weather-facing surface and mechanical protection
EPS Core 16–18 kg/m³ Thermal insulation and lightweight core
Internal / Bottom Skin 0.40 mm PPGI Internal finished surface and core protection

For roof panels, the external skin is exposed to sunlight, rain, wind and environmental conditions. For wall panels, the outer skin faces the building exterior while the inner skin forms the internal wall surface.

EPS Sandwich Panel Thickness Options

The correct thickness depends on the building's use, climate, desired indoor temperature and insulation requirement.

Panel Thickness Typical Application
50 mm General walls, partitions, offices and economical industrial applications
75 mm Warehouses, factories, workshops and general insulated buildings
100 mm Buildings requiring greater thermal insulation, including agricultural facilities
150 mm Higher insulation requirements and temperature-sensitive applications

The appropriate thickness should be selected from the project's thermal and structural requirements. Increasing thickness increases the insulation path through the panel, but the complete building envelope—including joints, openings, roof design and ventilation—also affects actual performance.

EPS Sandwich Panel Roof System

An EPS sandwich roof panel is installed over a prepared structural system rather than acting as the main load-bearing frame of the building.

A typical insulated steel building roof consists of:

  • Primary steel columns and rafters
  • Secondary steel purlins
  • EPS sandwich roof panels
  • Self-drilling roofing fasteners
  • Washers and sealing components
  • Ridge flashing
  • Edge and eave flashing
  • Side/end flashing where required
  • Sealant at selected joints and penetrations

The steel frame carries the structural loads while the panel provides the roof enclosure and insulation system.

EPS Sandwich Wall Panel System

For walls, EPS panels are fixed vertically or horizontally depending on the building design. The panels are supported by steel girts or another engineered support system.

A typical wall installation includes:

  • Steel columns and wall girts
  • EPS insulated wall panels
  • Self-drilling fasteners
  • Panel joint/interlock system
  • Corner flashing
  • Base flashing
  • Door and window opening flashings
  • Top/eave flashing
  • Sealant and weatherproofing details

How EPS Sandwich Panels Are Installed

Step 1 — Prepare the Structural Frame

Before panel installation starts, the steel columns, rafters, purlins and wall girts must be checked for alignment, spacing and level. Any major misalignment should be corrected before cladding begins.

Step 2 — Confirm Panel Layout

Panel lengths, orientation, openings and joint positions should be checked against the approved building drawings. Door, window, ventilation and service openings should be coordinated before fixing the panels.

Step 3 — Position the First Panel

The first panel establishes the alignment of the complete wall or roof run. It should be positioned accurately and temporarily supported before final fastening.

Step 4 — Fix the Panel to the Steel Frame

Suitable self-drilling fasteners are used to connect the panel to the purlins or girts. Fastener type, length, spacing and washer specification should be selected according to the panel thickness, support member and project wind-load requirements.

Step 5 — Connect the Next Panel

The adjoining panel is aligned with the previous panel and the designed joint is engaged. Correct joint alignment is essential because poorly fitted joints can create gaps and allow water or air leakage.

Step 6 — Complete Roof and Wall Flashings

After the main panels are installed, ridge, corner, eave, base and opening flashings are fitted as required by the building design.

Step 7 — Seal Critical Joints

Appropriate sealants and closure details are installed at locations exposed to rainwater or air leakage. Special attention is required around roof penetrations, ridge details, corners and openings.

Step 8 — Final Inspection

The completed installation should be inspected for panel alignment, damaged coating, exposed fasteners, joint gaps, flashing condition and weatherproofing before the building is handed over.

EPS Panel Installation: Important Technical Points

  • Do not drag panels across rough surfaces because this can damage the PPGI coating.
  • Use suitable lifting and handling methods for long panels.
  • Keep panels protected from unnecessary impact during transportation and installation.
  • Do not overtighten fasteners because excessive tightening can deform the steel skin or washer.
  • Maintain correct panel alignment throughout the installation.
  • Seal roof penetrations properly to reduce the risk of leakage.
  • Repair scratches or coating damage according to the coating manufacturer's recommended procedure.
  • Final fastener spacing should be determined according to structural and wind-load requirements rather than using one spacing for every building.

Where Are EPS Sandwich Panels Used in Pakistan?

Industrial Sheds
Insulated walls and roofs for factories and workshops.
Warehouses
Economical building envelope for storage facilities.
Poultry Sheds
Insulated enclosure for agricultural buildings.
Dairy Sheds
Useful where heat control and quick construction are required.
PEB Buildings
Roof and wall cladding over pre-engineered steel frames.
Site Offices
Fast construction for temporary and permanent offices.
Workshops
Lightweight insulated walls and roofing.
Prefabricated Buildings
Fast installation with factory-made building panels.

EPS Sandwich Panel vs Conventional Brick Wall

Feature EPS Sandwich Panel Traditional Masonry
Installation Fast panel installation Brick/block laying followed by finishing
Weight Lightweight Significantly heavier
Insulation Built into the panel Usually requires separate insulation
Construction Process Factory-manufactured and site assembled Mostly site-built
Modification Individual panels can generally be replaced Modification is more disruptive
Best Advantage Speed and economical insulation Conventional construction familiarity

EPS Sandwich Panel vs PUF / PU Sandwich Panel

EPS and PUF panels should not be treated as identical products. Their insulation cores are different and they serve different project requirements.

Feature EPS Sandwich Panel PUF / PU Panel
Core Expanded Polystyrene Polyurethane
Market Name Thermopore / EPS PUF / PU sandwich panel
Cost Generally more economical Generally higher
Thermal Performance Suitable for general insulated buildings Higher thermal performance per unit thickness
Common Applications Warehouses, factories, sheds and general industrial buildings Cold storage and temperature-controlled facilities

If the primary requirement is an economical insulated building envelope, EPS can be a practical option. If the building requires significantly higher thermal resistance at the same thickness, a PU/PUF system may be more appropriate.

EPS Sandwich Panel Manufacturers in Pakistan

When selecting an EPS sandwich panel manufacturer in Pakistan, do not compare suppliers only by the quoted price per square foot. A proper comparison should include the steel skin thickness, EPS density, panel thickness, profile, joint design, panel length, coating specification, accessories and installation requirements.

Silver Steel Mills provides EPS sandwich panel manufacturing and building-envelope solutions for projects in Lahore and other locations across Pakistan. Panels can be coordinated with the dimensions of the steel structure, purlins, girts, roof slopes and wall openings.

What Should Be Included in an EPS Panel Quotation?

A professional quotation should clearly identify:

  • EPS panel thickness
  • EPS density
  • Top steel sheet thickness
  • Bottom steel sheet thickness
  • PPGI or PPGL specification
  • Panel effective width
  • Panel length
  • Panel profile and joint design
  • Required quantity in square feet
  • Roof and wall accessories
  • Fasteners
  • Flashing
  • Sealant
  • Transportation
  • Installation charges, if required

This prevents two apparently similar quotations from being compared when the actual panel specifications are different.

How to Calculate EPS Sandwich Panel Quantity

For a basic project estimate, calculate the total roof and wall cladding area in square feet and then determine the required panel quantity based on the panel's effective cover width.

For example, if a building requires 10,000 sq ft of net panel coverage, the actual order quantity should also account for cutting, openings, end conditions and project-specific wastage.

For a complete commercial quotation, Silver Steel Mills can calculate the panel quantity from the building dimensions and drawings rather than relying only on a rough area estimate.

Why Choose Silver Steel Mills?

  • EPS sandwich panel manufacturing for industrial and commercial applications
  • Project-specific panel thickness and dimensions
  • 16–18 kg/m³ EPS density configuration
  • 0.45 mm PPGI external skin
  • 0.40 mm PPGI internal skin
  • Roof and wall panel solutions
  • Coordination with PEB steel structures
  • Panel quantity estimation
  • Technical guidance for panel layout and installation
  • Supply for warehouses, factories, agricultural and commercial buildings

Need EPS Sandwich Panels for Your Building?

Share your building length, width, height, roof type, wall area, location and required insulation thickness with Silver Steel Mills. Our team can help determine the suitable EPS panel specification, quantity and complete cladding requirement.

Silver Steel Mills — EPS Sandwich Panel Manufacturers in Pakistan

For a project quotation, contact Silver Steel Mills for panel manufacturing, technical coordination and installation requirements.

Frequently Asked Questions About EPS Sandwich Panels

What is an EPS sandwich panel?

An EPS sandwich panel is an insulated building panel consisting of an Expanded Polystyrene (Thermopore) core between two pre-painted steel sheets.

What EPS density is used?

The specified EPS configuration for this product is approximately 16–18 kg/m³, subject to the project specification and production requirements.

What steel sheets are used in the panel?

The specified configuration uses 0.45 mm PPGI on the external/top side and 0.40 mm PPGI on the internal/bottom side.

Can EPS sandwich panels be used for roofs?

Yes. EPS sandwich panels can be used as insulated roof cladding over properly designed steel purlins and structural frames. Roof slope, fasteners, joints, flashing and drainage must be designed correctly.

Can EPS panels be used for walls?

Yes. They are widely used as insulated external walls and internal partitions in warehouses, factories, workshops, offices and prefabricated buildings.

Are EPS panels suitable for PEB buildings?

Yes. EPS panels can be installed as the roof and wall cladding system over a Pre-Engineered Building's primary frame, purlins and wall girts.

Is EPS the same as Thermopore?

In the Pakistani construction market, Thermopore is a common local name used for expanded polystyrene (EPS). The exact density and specification should always be confirmed in the quotation.

How are EPS sandwich panels fixed?

Panels are generally fixed to structural purlins or wall girts using suitable self-drilling fasteners, with panel joints, flashing and weather-sealing details completed according to the building design.

Can Silver Steel Mills manufacture panels according to project dimensions?

Yes. Panel length, thickness, steel skin specification and project requirements can be coordinated according to the building design and production requirements.

How can I get an EPS sandwich panel quotation?

Provide the building dimensions, roof and wall areas, panel thickness, required density, steel skin specification, project location and openings. These details allow a more accurate material quantity and quotation to be prepared.

EPS Sandwich Panel Manufacturers in Pakistan

Silver Steel Mills manufactures EPS sandwich panels in Pakistan for industrial buildings, warehouses, factories, poultry farms, dairy sheds, offices, workshops and site buildings requiring economical thermal insulation and fast installation. Panels are manufactured at our Lahore (Multan Road) facility.

An EPS sandwich panel consists of an Expanded Polystyrene (EPS) insulation core bonded between two pre-painted steel sheets — combining thermal insulation, weather protection and lightweight, rapid installation in a single panel. EPS is also commonly known in Pakistan’s local market as thermopore or thermocol panel. EPS panels are widely used as the insulated roof and wall cladding for Pre-Engineered Steel Buildings (PEB), fitted onto the structural frame and purlins to complete the building envelope.

EPS Sandwich Panel Price in Pakistan

Thickness (mm) Thickness (inch, approx.) Price
50mm ~2 inch Request quotation
75mm ~3 inch ₨380 per sq ft
100mm ~4 inch Request quotation
150mm ~6 inch Request quotation

Price shown is for the 75mm (3 inch) panel, ex-factory, exclusive of tax and transportation. Pricing varies with steel coil rates — request a current quotation to confirm.

EPS Sandwich Panel Specifications

Specification Details
Core Material Expanded Polystyrene (EPS)
Standard EPS Density 15 ± 2 kg/m³
Panel Thickness 50mm, 75mm, 100mm, 150mm
Panel Width 3.5 ft overall (approx. 1,000mm effective cover, depending on profile/joint)
Standard Lengths 10ft, 15ft, 20ft (custom lengths available)
External/Internal Skin PPGI or PPGL steel sheet
Standard Skin Thickness 0.45mm / 0.50mm
Application Roof and wall panel systems
Joint System Interlocking / tongue-and-groove
Installation Self-drilling fasteners with flashing/accessories

Final thermal performance depends on EPS density, panel thickness, joint design, steel skin, installation quality and building conditions.

Choosing Panel Thickness

  • 50mm (~2 inch) — economical wall partitions, offices, workshops, general industrial use
  • 75mm (~3 inch) — warehouses, factories, commercial buildings, agricultural structures — Silver Steel Mills’ most commonly ordered thickness
  • 100mm (~4 inch) — applications needing greater thermal resistance, including poultry and dairy facilities
  • 150mm (~6 inch) — applications requiring the thickest insulation layer available in this range, larger spans, higher heat-load buildings

As a general rule, doubling panel thickness does not double insulation performance — thermal resistance improves with thickness but with diminishing returns, so the right choice depends on balancing the building’s actual heat-load, local climate, and budget rather than simply choosing the thickest option available.

How EPS Panel Thickness Affects Building Performance

Insulation performance in a sandwich panel comes from the EPS core resisting heat flow between the outside and inside of the building. Two things drive this: the core’s density (how tightly packed the polystyrene beads are) and the core’s thickness. A thicker panel gives the heat a longer path to travel, which is why 100mm and 150mm panels are recommended for poultry and dairy sheds — these buildings need to hold a stable internal temperature against Pakistan’s summer heat far more than a general storage warehouse does.

Steel skin thickness (0.45mm vs 0.50mm) does not meaningfully change insulation — its role is structural rigidity and weather resistance, not thermal performance. Buyers sometimes assume a thicker steel skin means a “better” panel; in practice, skin thickness and core thickness solve different problems and should be selected independently based on wind load and insulation requirement respectively.

EPS Thermal Performance and Fire Behavior — the Honest Picture

EPS core has a thermal conductivity (λ) of approximately 0.036–0.038 W/m·K. Lower is better — for comparison, rigid PU/PUF foam is typically around 0.022–0.023 W/m·K, meaning heat passes through an EPS panel roughly 60% faster than a PU panel of the same thickness. This is the main reason EPS is priced lower than PU: less raw insulating performance per millimetre, which is a fair trade-off for ambient warehouses, sheds and general storage where the temperature differential between inside and outside is moderate.

Fire behavior is the other genuine trade-off, and it’s worth stating plainly rather than glossing over: EPS is a combustible material (commonly classed as Class E in fire-reaction testing) and will melt and burn if exposed to sustained flame, unlike PIR or Rockwool cores which are formulated for fire resistance. For general industrial, agricultural and commercial buildings this is an acceptable, standard trade-off reflected in EPS’s lower price — but if your project has a specific fire-rating requirement (pharmaceutical facilities, chemical storage, certain commercial occupancy codes), EPS is not the right core material and a PIR or Rockwool panel should be specified instead, regardless of price.

EPS vs PU Sandwich Panels

Feature EPS Panel PU Panel
Core Expanded Polystyrene Rigid Polyurethane
Standard Thickness (SSM) 50 / 75 / 100 / 150mm Project-specific
Thermal Conductivity (λ) ~0.036–0.038 W/m·K ~0.022–0.023 W/m·K
Cost More economical Higher
Fire Behavior Combustible (Class E) Better than EPS, still not fire-rated (typically B2/B3)
Typical Use Warehouses, factories, poultry, dairy, offices Cold storage, temperature-controlled facilities

Choose EPS for economical, general-purpose insulated construction where fire rating is not a specified requirement. Choose PU where higher thermal performance is needed (e.g., cold storage), and neither where a fire-rated core is required — see below.

Other Core Materials in the Pakistani Market

Buyers researching sandwich panels in Pakistan will also come across PIR (Polyisocyanurate) and Rockwool/Mineral Wool cores, offered by other manufacturers:

  • PIR — chemically related to PU but modified into a char-forming structure that gives genuinely better fire behavior (typically B1, low flame spread) rather than melting or feeding a fire; also has marginally better and more stable thermal performance over the panel’s life. Commonly specified for pharmaceutical, food processing, and other fire-code-sensitive buildings.
  • Rockwool/Mineral Wool — a mineral-fiber core offering the strongest fire resistance and sound absorption of the common options, at a higher cost and weight than foam cores.

Silver Steel Mills’ current panel range covers EPS and PU. If your project specifically requires a PIR or Rockwool core — because of a fire-code requirement rather than preference — confirm with our team whether this can be sourced, or discuss whether your building’s actual risk profile genuinely needs it before paying the premium.

Understanding R-Value and Insulation Standards

Insulation performance is formally measured using R-value (thermal resistance) — the higher the R-value, the better the material resists heat flow. Under AS 1366 (the Australian/international standard commonly referenced for EPS insulation performance), EPS provides approximately R-1.31 per 50mm of thickness for standard-density material. This scales roughly linearly with thickness, so a 100mm EPS core provides roughly double the insulation resistance of a 50mm core, and 150mm roughly triple — though real-world performance also depends on joint quality and installation, not the core material alone.

For comparison, EPS insulation (R-3.85 to R-4.2 per unit thickness in standard density/high-density grades, per common insulation industry references) sits below rigid polyurethane foam (R-6.8 to R-8) but well above uninsulated brick or concrete construction — which is the real comparison that matters for a warehouse or shed owner deciding between an insulated panel building and traditional masonry.

Total Cost of Ownership — Why the Panel Price Isn’t the Whole Story

The ex-factory price per square foot is only part of what a panel actually costs you over the life of a building. Two other factors matter more over time for temperature-sensitive buildings:

Energy cost. A building’s insulation determines how much your air conditioning, heating, or refrigeration system has to work. For an ambient warehouse this difference is modest. For a poultry shed, dairy facility, or any space trying to hold a stable internal temperature against Pakistan’s summer heat, the gap between a thin, low-density panel and a properly specified one shows up every month on the electricity bill for as long as the building operates — often outweighing the small upfront price difference within a few years.

Construction speed. Panel construction is typically faster to erect than equivalent brick/block masonry with separate insulation, meaning a facility can become operational sooner. For a commercial or production building, earlier operation has its own value that a per-square-foot panel price comparison doesn’t capture.

This doesn’t mean the thickest, most expensive panel is always the right choice — it means the right comparison is thickness and core matched to your actual building’s heat-load and usage, not simply the lowest quoted price per square foot.

Buyer’s Checklist — What to Verify Before You Order

Two quotes with the same price per square foot can describe genuinely different panels. Before comparing prices between suppliers, confirm these in writing for every quote:

  • Steel skin gauge — 0.45mm and 0.35mm steel look identical on a spec sheet glance but perform very differently under wind load and over time (denting, oil-canning, faster corrosion on thinner gauge). Get the exact gauge in writing for both skins, not just “PPGI sheet.”
  • EPS density, not just thickness — a 75mm panel at low density insulates and performs structurally worse than a 75mm panel at proper density, even though both are quoted as “75mm.” Ask for the density figure.
  • Coating type — PPGI vs PPGL changes corrosion resistance meaningfully in humid or coastal conditions; make sure both quotes you’re comparing state the same coating.
  • What’s actually included — confirm whether the quoted price includes only the panel, or also covers accessories (flashing, fasteners, sealant) and installation, since these add real cost if quoted separately.
  • Delivery and site access — long panels need proper transport to avoid transit damage; get delivery cost and lead time confirmed in the quotation rather than discovering it after ordering.

If a quoted price is noticeably lower than others for the same stated thickness, the difference is usually in one of these variables rather than the supplier simply being cheaper — density and steel gauge are the two most commonly reduced to hit a lower headline price.

Estimating Your Project Cost

A quick way to sanity-check a quotation: multiply your total roof + wall area (in sq ft) by the per-sq-ft panel price for your chosen thickness, then add delivery, accessories and installation labor separately — these are typically quoted apart from the panel price itself. For a standard reference point, a single 4×8 ft panel sheet covers 32 sq ft, which can help when comparing a per-sheet price against a per-sq-ft rate from a different supplier.

PPGI vs PPGL Steel Skin

  • PPGI (Pre-Painted Galvanized Iron) — standard commercial option, suitable for warehouses, factories, offices, poultry and dairy buildings
  • PPGL (Pre-Painted Galvalume) — a metallic-coated substrate offering enhanced corrosion resistance in suitable environments; worth considering for coastal or highly humid locations

Coating specification should be selected after evaluating actual site conditions, particularly in coastal or chemically aggressive environments.

How EPS Sandwich Panels Are Manufactured

EPS sandwich panels are produced on a continuous lamination line, with several distinct stages between raw material and a finished, packed panel:

  1. Steel coil uncoiling and roll-forming — pre-painted steel coil is uncoiled and roll-formed into the top and bottom skin profiles simultaneously
  2. EPS core feeding — pre-expanded EPS block material is fed continuously into the lamination section between the two forming steel skins
  3. Continuous lamination and bonding — heat and controlled pressure bond the steel skins to the EPS core as the assembly moves through the line, producing a consistent core-to-skin bond along the full panel length
  4. Precision cutting — the continuous panel is cut to the ordered length
  5. Quality inspection and packing — panels are checked for bond strength, flatness and dimensional accuracy before being wrapped for dispatch

This continuous process is the standard production method used across the industry in Pakistan, and produces a more consistent core-to-skin bond than manually assembled panels, where foam sheets are cut and glued into steel skins by hand.

Where EPS Panels Are Used

Industrial warehouses and factory buildings — EPS panels provide an economical insulated envelope where full temperature control isn’t critical but reducing heat gain and construction time matters.

Poultry farms and dairy sheds — thicker EPS panels (100mm–150mm) help hold a more stable internal temperature against Pakistan’s summer heat, which is directly linked to reduced heat stress in livestock and more consistent output.

Commercial buildings, offices and workshops — lighter-weight construction than masonry, with faster build time and adequate insulation for occupied space.

Site offices and modular/temporary buildings — the combination of light weight and fast assembly suits structures that may need to be relocated or are only needed for a project’s duration.

Complete PEB (Pre-Engineered Building) roof and wall systems — EPS panels are commonly specified as the cladding layer over a structural steel frame, purlins and girts, completing the building envelope in one integrated system.

Internal partition walls — EPS panels can also divide space within a larger building, offering a lighter, faster-to-install alternative to a masonry partition wall where the wall isn’t load-bearing.

Installation Process

  1. Structural steel frame preparation
  2. Purlin/girt alignment
  3. Panel positioning
  4. Panel joint connection
  5. Self-drilling fastener installation
  6. Flashing and corner finishing
  7. Ridge and edge detailing
  8. Sealant/weatherproofing where required

Silver Steel Mills can coordinate panel dimensions with the PEB structural frame, purlins, wall girts and roof geometry for a complete building envelope.

Why Silver Steel Mills for EPS Panels

Pakistan’s EPS sandwich panel market includes both large dedicated panel manufacturers and traders who resell panels made elsewhere. Silver Steel Mills manufactures directly and is based in Lahore, Multan Road — giving faster turnaround and lower transport cost for projects across Central Punjab compared to sourcing from manufacturers based in other provinces.

Because Silver Steel Mills also manufactures Pre-Engineered Steel Buildings, batching plants and block making machines, EPS panels can be supplied and coordinated as part of a single complete building project — structural frame, purlins, and insulated cladding from one manufacturer rather than separate vendors.

EPS Panels vs Traditional Brick/Block Construction

For buyers comparing an insulated panel building against conventional masonry, the trade-offs are structural, not just about insulation:

Factor EPS Panel Building Brick/Block Masonry
Construction time Faster — panels are pre-manufactured and assembled on site Slower — requires bricklaying, curing, plastering
Structural load Lightweight — reduces foundation and steel frame requirements Heavier — needs a stronger foundation for the same footprint
Insulation Built into the panel from day one Requires a separate insulation layer to match panel performance
Wall thickness for equivalent space Thinner — more usable floor area for the same building footprint Thicker walls consume more floor area
Modification/relocation Panels can often be dismantled and reconfigured Masonry is effectively permanent once built
Upfront cost per sq ft (wall only) Typically higher than plain unplastered brick Typically lower for basic brick before insulation and plaster are added

The comparison changes once brick construction is priced with equivalent insulation and finishing (plaster, paint) added — the gap narrows considerably, which is why panel systems are usually compared most fairly against a finished, insulated masonry wall rather than bare brick.

Maintenance and Repair

EPS sandwich panels require comparatively little maintenance compared to painted masonry, but a few things affect long-term performance:

  • Joint and fastener inspection — self-drilling fasteners and joint sealant should be checked periodically, particularly after heavy monsoon seasons, as a failed joint seal is the most common source of water ingress
  • Steel skin condition — surface scratches or damage that exposes bare steel should be treated promptly to prevent localized corrosion, especially on PPGI (vs PPGL) skins in humid areas
  • Panel replacement — a genuine advantage of panel construction is that a damaged section can often be replaced individually rather than requiring repair to an entire wall, as would be needed with a cracked or water-damaged masonry wall
  • Cleaning — the factory-finished steel surface is easier to wash down than painted masonry, which matters particularly for poultry, dairy and food-related applications where surface hygiene is inspected regularly

Environmental Considerations

EPS core material is fully recyclable, and modern EPS production does not use ozone-depleting CFC or HCFC blowing agents (these were phased out of the industry decades ago in favor of alternative blowing agents). Because EPS panel buildings are lighter than masonry equivalents, they also typically require less structural steel and a lighter foundation, reducing the embodied material in the overall building — a genuine, if secondary, factor for projects tracking construction material efficiency.

What to Provide for an Accurate Quotation

  • Building length, width, height
  • Roof type and wall/roof area
  • Required panel thickness
  • PPGI or PPGL preference
  • Steel skin thickness
  • Panel color
  • Door/window openings
  • Delivery location

Frequently Asked Questions

What EPS density does Silver Steel Mills use? Standard EPS core density is 15 ± 2 kg/m³. For projects requiring a specific density, this can be discussed per project.

What thicknesses are available? 50mm, 75mm, 100mm and 150mm as standard, with custom configurations available for specific projects.

What’s the difference between PPGI and PPGL skins? PPGI is standard pre-painted galvanized steel; PPGL uses a Galvalume coating for enhanced corrosion resistance, better suited to coastal or highly humid sites.

When should I choose EPS over PU panels? EPS suits general warehouses, factories, offices, poultry and dairy sheds where cost-effective insulation is the priority. PU suits cold storage and applications needing higher thermal performance.

Can EPS panels be used with a Pre-Engineered Building (PEB)? Yes — EPS panels are commonly used as the roof and wall cladding on a PEB structural frame.

What information do you need for a quotation? Building dimensions, required panel thickness, PPGI or PPGL preference, and delivery location.

What is the price of EPS sandwich panels in Pakistan? Pricing depends on thickness and steel skin specification. Silver Steel Mills’ 75mm (3 inch) EPS panel is priced at ₨380 per sq ft, ex-factory. Request a quotation for other thicknesses.

Which is better — PUF (PU) panel or EPS sandwich panel? Neither is universally “better” — they suit different needs. EPS is more economical and performs well for general warehouses, factories and sheds. PU (PUF) offers higher thermal performance for the same thickness, making it the standard choice for cold storage and temperature-critical facilities. Choose based on your insulation requirement and budget, not on which material is newer or more expensive.

How much does a sandwich panel cost per square foot in Pakistan? Sandwich panel pricing across the Pakistani market typically ranges from roughly ₨500 to ₨1,200+ per sq ft depending on core material, thickness and steel skin — EPS panels sit at the more economical end of that range compared to PU, PIR or Rockwool cores.

Is EPS panel fire-resistant? No — EPS is a combustible core material (Class E) and is not a fire-rated product. It’s a suitable, cost-effective choice for general industrial and agricultural buildings, but projects with a specific fire-code requirement should specify a PIR or Rockwool core instead.

How do I know if a cheap quotation is actually a lower-quality panel? Check three things before comparing price: steel skin gauge (thinner gauge is a common way to cut cost invisibly), EPS density (not just thickness), and what’s included (some quotes exclude accessories or installation). A lower price for the same stated thickness usually means one of these was reduced.

How long do EPS sandwich panels last? With correct installation and normal industrial/commercial use, EPS sandwich panels commonly perform reliably for well over a decade; actual service life depends on steel coating quality, site environment (coastal/humid sites are harsher on any steel skin) and maintenance of joints and fasteners over time.

Can a damaged EPS panel be repaired or does the whole wall need replacing? Individual panel sections can generally be replaced without disturbing the rest of the wall or roof — this is one of the practical advantages of panel construction over a masonry wall, where localized damage (cracking, water damage) often requires a larger repair.

Is an EPS panel building cheaper than a brick building? It depends on what’s being compared. Bare, unplastered brick is often cheaper per sq ft upfront than an EPS panel wall. Once the brick wall is finished with plaster, paint and a comparable insulation layer, the cost gap narrows significantly, and the panel building is typically faster to construct and lighter on the foundation.

Are EPS sandwich panels suitable for Pakistan’s hot climate? Yes, with the right thickness for the application — a 75mm panel suits general warehouses and factories, while 100mm–150mm is more appropriate for poultry, dairy or any building trying to hold a stable internal temperature against summer heat load.

sandwich panel manufacturer in pakistan sandwich panel Price in pakistan (3)


🧪 Technical Specifications

Property Details
Sheet Thickness 0.4 mm – 0.8 mm (PPGI or Aluminum)
Core Material Options PU, EPS, Rockwool
Insulation Thickness 30 mm – 150 mm
Density 16–40 kg/m³ (PU), 10–20 kg/m³ (EPS)
Fire Resistance 30–120 mins (based on core)
Panel Width 1 meter standard
Color Options White, Grey, Blue, Green, Custom

🛠 Precision-built with CNC machinery and quality-tested for durability.


Would you like me to continue with:

  1. Benefits of using sandwich panels in Pakistani climate?

  2. Use cases & successful projects by Silver Steel Mills?

  3. Buying guide or installation process?

Sandwich Panel Price in Pakistan    

🌦️ Climate Compatibility – Ideal for Pakistan’s Weather Conditions

Pakistan’s diverse and often extreme climate demands durable and efficient construction materials. Sandwich panels provide the perfect insulation and durability combo for the following scenarios:

🔥 Hot Climates (e.g., Sindh, Balochistan)

  • PU and EPS core panels reflect sunlight and reduce internal heat

  • Save up to 40% on air-conditioning costs

  • Maintain a consistent indoor environment for industrial machinery

❄️ Cold Regions (e.g., Murree, Skardu)

  • Sandwich panels with Rockwool or high-density PU keep heat trapped inside

  • Ideal for cold storage units and food warehouses

🌧 Monsoon and Rainy Areas (e.g., Punjab, Northern Pakistan)

  • Waterproof interlocks and rustproof coatings

  • Prevents mold, leakage, or rust formation even in high-humidity zones

📌 “Silver Steel Mills ensures every sandwich panel is engineered to withstand the local climate, making them a long-term investment for industrial and commercial properties.”


🏢 Where Are Sandwich Panels Commonly Used?

From factories to field offices, sandwich panels are used across every major sector in Pakistan:

1. 🏭 Industrial & Manufacturing Units

  • Roof and wall panels for production plants

  • Noise and heat control for internal operations

2. 🏬 Warehouses & Logistics Centers

  • Efficient temperature regulation

  • Dust-proof & hygienic interiors

3. ❄️ Cold Rooms & Storage Facilities

  • Highly insulated environments

  • Meets food-grade and pharmaceutical standards

4. 🧱 Prefabricated Structures

  • Quick assembly prefab schools, clinics, site offices

  • Used in construction sites, remote housing, and emergency shelters

5. 🕌 Religious & Educational Buildings

  • Low-cost, fast construction for community projects


🧱 Why Silver Steel Mills is Pakistan’s Top Sandwich Panel Supplier

Silver Steel Mills doesn’t just sell panels – it offers engineering, customization, and trust.

Feature Advantage for You
🧠 Expert Consultation Guidance on core material, thickness & layout
🚚 Nationwide Delivery Fast logistics across Pakistan
🏗️ On-Site Installation Skilled crew for fixing & joining
🧾 Transparent Pricing Competitive rates with zero hidden costs
📞 After-Sale Support Always ready to assist post-purchase

📌 “From Karachi to Khyber, Silver Steel Mills delivers sandwich panels that meet ISO and local safety standards.”

Sandwich Panel Price in Pakistan

🔧 How to Order & Install Sandwich Panels in Pakistan – Step-by-Step

Buying sandwich panels from Silver Steel Mills is simple, streamlined, and supported every step of the way. Here’s how businesses and contractors can confidently get started:

✅ Step 1: Consultation & Requirement Analysis

  • Connect with the expert team via silversteelmills.com or phone.

  • Share building type, location, and climate.

  • Get a free recommendation on suitable core material (PU, EPS, Rockwool), thickness, and quantity.

📐 Step 2: Design Customization

  • Choose panel length, width, color, and insulation specs.

  • Receive CAD-based layout drawings (if needed).

  • Adjust features like fire rating, UV protection, or acoustic absorption.

🏭 Step 3: Fabrication at Silver Steel Mills

  • Panels are manufactured using state-of-the-art roll forming and lamination lines.

  • Strict quality control on insulation bonding, surface finish, and interlocking edges.

🚚 Step 4: Delivery to Site

  • All panels are shrink-wrapped and securely transported across:

    • Karachi, Lahore, Faisalabad, Rawalpindi, Islamabad

    • Quetta, Peshawar, Multan, Sukkur & more

  • Timely delivery guaranteed with bulk shipping options for mega projects

🛠️ Step 5: Installation Support (Optional)

  • Trained technicians available for:

    • Roof cladding

    • Vertical panel fixing

    • Cold room joint sealing

  • On-site guidance also provided for large contractors

📌 “Whether you’re building a cold room in Lahore or a prefab office in Gwadar, Silver Steel Mills ensures a zero-hassle panel installation.”


🧱 Sandwich Panel Sizes & Specifications (2025 Standards)

Silver Steel Mills offers custom and standard sizes for every application:

Specification Details
Core Types PU (Polyurethane), EPS, Rockwool
Thickness Options 40mm, 50mm, 75mm, 100mm, 150mm
Panel Width 950mm (effective)
Length Customizable up to 10 meters
Coating PPGL (Pre-painted Galvanized Steel), GI
Fire Rating (Optional) Up to 2 Hours (Rockwool Core)
Density PU: 40kg/m³, EPS: 18-22kg/m³

🚀 Client Success Stories

Here are a few examples where Silver Steel Mills made a difference:

🏭 Industrial Unit – Lahore

  • 15,000 sq ft covered area

  • PU panels installed in 2 weeks

  • Reduced HVAC load by 35%

❄️ Cold Storage – Karachi

  • Rockwool sandwich panels with 2-hour fire rating

  • Installed with seamless interlocks

  • Temperature maintained at -10°C

🧑‍🏫 School Project – Gilgit

  • Lightweight EPS panels for prefab classrooms

  • Assembled in 12 days with earthquake resistance

     

🎯 Why Silver Steel Mills is Pakistan’s No.1 Sandwich Panel Manufacturer

When it comes to energy-efficient, durable, and cost-effective construction, sandwich panels from Silver Steel Mills lead the way. Here’s why:

Highest Quality Assurance
Every panel is manufactured with global standards in mind, ensuring maximum durability and thermal insulation.

Nationwide Delivery & Projects
From Karachi to Peshawar, Silver Steel Mills delivers panels for factories, warehouses, housing schemes, and cold chains.

Competitive Pricing
Get factory-direct rates with no middlemen. Customized quotations are available for large-scale projects.

Technical Support
Free guidance on structure design, panel selection, and installation – especially useful for first-time prefab builders.

Environmental Focus
Using PU and EPS panels can cut energy use by up to 40%, reducing carbon footprints for eco-conscious clients.

📞 Contact Today:
Visit 👉 silversteelmills.com
📧 Email: info@silversteelmills.com
📱 WhatsApp / Call: +92-XXX-XXXXXXX


❓ Frequently Asked Questions (FAQs)

Q1: How long do sandwich panels last?
A: With proper installation, sandwich panels can last 20–30 years with minimal maintenance.

Q2: Are these panels water and fire resistant?
A: Yes! PU and Rockwool panels have excellent water resistance. Rockwool offers up to 2-hour fire rating.

Q3: Can I use sandwich panels for residential buildings?
A: Absolutely. They are ideal for low-cost housing, temporary shelters, mobile offices, and even rooftop rooms.

Q4: Is installation difficult?
A: No. Interlocking designs make it quick. Silver Steel Mills also offers installation support across Pakistan.

Q5: What is the delivery time?
A: Generally 7–10 days for standard panels. Custom orders may take 2–3 weeks.

📝 Final Thoughts

If you’re searching for reliable, thermally-insulated, and affordable sandwich panels in Pakistan, your destination is Silver Steel Mills. Trusted by over 1,000 industrial, commercial, and government clients, they offer:

🔹 Best material
🔹 Modern designs
🔹 Expert guidance
🔹 Unmatched prices

Don’t compromise on quality or safety. Contact Silver Steel Mills today and take the first step toward smart building.

Local City-Wise Market Relevance and Targeted Solutions: Panels for Every Corner of Pakistan

Pakistan’s diverse geography, climate zones, and economic activities create unique demands for construction materials. As a leading Sandwich Panel Manufacturer in Pakistan, Silver Steel Mills prides itself on a localized approach, offering solutions that are specifically optimized for the challenges and opportunities present in every major city and region. Our ability to tailor our products and services ensures maximum relevance and effectiveness for your project, wherever it may be.

  • A. Lahore and Central Punjab (Faisalabad, Gujranwala, Sialkot): The Industrial & Agricultural Hub

    1. Market Demands: This region is a hotbed of industrial activity (textiles, pharmaceuticals, auto parts), food processing, and extensive agriculture (including dairy and poultry farms). There’s high demand for:
      • Industrial Warehouses & Factories: Requiring fast, cost-effective, and insulated solutions.
      • Cold Storages: For perishable goods (fruits, vegetables, meat, dairy) due to the region’s agricultural output and high summer temperatures.
      • Poultry and Dairy Sheds: Needing thermal control to mitigate heat stress for livestock.
      • Commercial & Educational Facilities: Growing urban centers like Lahore and Faisalabad need modern, energy-efficient commercial buildings and modular classrooms.
    2. Silver Steel Mills’ Targeted Solution:
      • Proximity Advantage: Our Gujrat manufacturing facility offers excellent logistical efficiency, ensuring rapid delivery and reduced transportation costs to all major cities in Central Punjab.
      • Core Offerings: We emphasize PU/PIR Sandwich Panels for cold storages and fire-rated industrial buildings (especially in industrial zones), and cost-effective EPS Sandwich Panels for general warehouses, poultry farms, and prefabricated structures.
      • Thermal Performance: Solutions specifically designed to combat the intense summer heat of the plains, ensuring significant energy savings for air conditioning.
  • B. Karachi and Coastal Sindh (Hyderabad, Sukkur): Commercial Port & Humid Climate

    1. Market Demands: As Pakistan’s largest city and economic hub, Karachi drives immense construction. Key demands include:
      • Large-Scale Cold Chain & Logistics Hubs: For imports, exports, and urban consumption, requiring massive refrigerated warehouses.
      • Food Processing & Pharmaceutical Industries: Strict hygiene and temperature control.
      • Coastal Resilience: Materials that can withstand high humidity, salinity, and potential corrosion.
      • High-Rise Commercial/Residential: Demand for lightweight, fast-erecting facade solutions.
    2. Silver Steel Mills’ Targeted Solution:
      • Corrosion-Resistant Facings: We prioritize PPGI facings with higher zinc coating (e.g., Z275) and advanced paint systems (e.g., PVDF) that offer superior resistance to the humid, saline coastal environment.
      • Airtight & Moisture-Resistant Panels: Our PU/PIR panels with precision tongue-and-groove joints and integrated sealing are crucial for preventing condensation and maintaining thermal integrity in high-humidity cold storages and cleanrooms.
      • Fire-Rated Solutions: Emphasizing PIR and Rock Wool Panels for high-risk industrial facilities in Karachi’s crowded industrial zones.
      • Speed & Efficiency: Addressing the need for rapid construction to meet the pace of Karachi’s development.
  • C. Islamabad and Northern Punjab (Rawalpindi): Capital, Education & Cooler Climates

    1. Market Demands: Characterized by its planned development, higher aesthetic standards, and a mix of government, corporate, and educational infrastructure. Cooler winters and moderate summers.
      • Commercial & Office Buildings: Demanding modern, energy-efficient facades.
      • Educational Institutions & Hospitals: Requiring well-insulated, hygienic, and acoustically comfortable spaces.
      • Data Centers & IT Parks: Needing precise climate control and clean environments.
      • Residential & Recreational: Prefabricated homes in scenic areas, recreational facility enclosures.
    2. Silver Steel Mills’ Targeted Solution:
      • Aesthetic Versatility: Offering a wide range of colors and finishes (including flat or micro-ribbed profiles) that blend with Islamabad’s modern architectural guidelines.
      • Balanced Thermal Performance: Utilizing PU or EPS panels designed to provide comfort in both summer and winter, reducing HVAC loads year-round.
      • Acoustic Solutions: Promoting Rock Wool Panels for sound reduction in educational or corporate environments.
      • Quality & Precision: Catering to the high-quality expectations of the capital region with our meticulously manufactured panels and precise installation guidance.
  • D. Khyber Pakhtunkhwa (Peshawar, Abbottabad): Diverse Terrain & Emerging Markets

    1. Market Demands: Ranges from the hot plains of Peshawar to the colder, sometimes snowy, hilly regions (e.g., Abbottabad, Swat). Growth in food processing, tourism, and small-scale industries.
      • Cold Storages & Food Processing: For agricultural produce from the region.
      • Poultry Farms: Similar to Punjab, but with varying climatic challenges.
      • Modular Housing: For remote areas or rapid deployment.
      • Resilience to Varying Climates: Panels that perform in both heat and cold.
    2. Silver Steel Mills’ Targeted Solution:
      • Climate-Adaptive Panels: Offering flexible panel thicknesses and core materials (e.g., thicker PU for colder areas, or well-ventilated EPS for hotter plains) to suit the varied regional climates.
      • Lightweight for Transport/Installation: The lightweight nature of our panels simplifies logistics and installation in challenging or remote mountainous terrains.
      • Durable & Robust: Engineered to withstand regional wind loads and occasional snow loads in higher altitudes.
  • E. Balochistan (Quetta, Gwadar): Arid Climate & Emerging Infrastructure

    1. Market Demands: Characterized by arid conditions, extreme temperature fluctuations (hot days, cold nights), and remote locations. Growing focus on port development (Gwadar) and mining.
      • Cold Storages: For fruits and other produce from temperate zones (e.g., Quetta).
      • Industrial Structures: For new industrial parks near ports.
      • Dust Protection: Ensuring airtightness against dust.
    2. Silver Steel Mills’ Targeted Solution:
      • Extreme Thermal Insulation: Thicker PU/PIR panels are highly recommended to combat extreme temperature swings, minimizing energy consumption for heating/cooling.
      • Airtightness: Precision panel joints and sealing are crucial for preventing dust ingress in arid, windy environments.
      • Robustness: Panels designed to withstand the harsh, dry environment and potential strong winds.
      • Logistics Expertise: Our experienced logistics team ensures timely and safe delivery of panels even to remote and challenging sites across Balochistan.

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