Insulated-sandwich-roof-panels
Complete Roofing Solution
in a Single Product
High-performance insulated sandwich roof panels with PIR/PU/mineral wool core.
Superior thermal efficiency, fire-rated options. Factory-direct supply.
Insulated sandwich roof panels deliver the complete roofing solution in a single product — structural skin,
thermal insulation and weatherproofing in one factory-engineered composite.
Our panels feature PIR, PU or mineral wool insulation cores bonded between profiled steel facings, meeting the most demanding
thermal and fire performance requirements for industrial, cold storage and commercial buildings.
EN 14509 Certified.
Fire-Rated
Options Available
Factory-Direct Supply
Custom Lengths
Cut-to-Size
Cold Storage
Approved
Panel Specifications
All insulated sandwich roof panels are manufactured to EN 14509 with factory-controlled lamination ensuring consistent bond strength and dimensional accuracy.
Select from three insulation core types to match your project's thermal, acoustic and fire requirements.
| Specification | Detail |
|---|---|
| Core Options | PIR (λ=0.022 W/mK) · PU (λ=0.023 W/mK) · Mineral Wool (λ=0.040 W/mK) |
| Thickness Range | 40mm – 200mm (in 10mm increments) |
| U-Value Range | 0.10 – 0.35 W/m²K (dependent on thickness & core) |
| Steel Facing | Pre-painted galvalume AZ150 · 0.50mm – 0.70mm gauge |
| Effective Panel Width | 1000mm coverage |
| Fire Classification | B-s2,d0 (PIR core) · A2-s1,d0 (Mineral Wool core) |
| Standard | EN 14509 |
| Available Colours | Full RAL range (custom on request) |
Choose Your Core Type
All insulated sandwich roof panels are manufactured to EN 14509 with factory-controlled lamination ensuring
consistent bond strength and dimensional accuracy.
Best Thermal
PIR Core
Polyisocyanurate foam delivers the lowest thermal conductivity in our range, enabling thinner panel profiles to meet stringent U-value targets.
Enhanced fire performance makes PIR the preferred choice for commercial and industrial roofing requiring both energy efficiency and safety compliance.
0.022
B-s2,d0
40–200mm
λ(W/mK) FireClass Thickness
Value Performer
PU Core
Polyurethane foam insulated roofing offers outstanding thermal performance at a competitive price point.
PU sandwich panels are a proven solution for warehouses, agricultural buildings and light industrial applications where cost-effectiveness and thermal efficiency must be balanced.
0.023
C-s3,d0
40–200mm
λ(W/mK) FireClass Thickness
Fire Priority
Mineral Wool Core
Stone wool (rockwool) composite insulated panels achieve the highest fire classification available — Class A2-s1,d0 — making them the code-compliant solution for high-risk occupancies, public buildings and applications governed by strict fire regulations
Also provides superior acoustic insulation.
0.040
A2-s1,d0
60–200mm
λ(W/mK) FireClass Thickness
Energy Efficient Roofing Built to Perform
1. Superior Thermal Efficiency
U-values as low as 0.10 W/m²K reduce heating and cooling energy demand, cutting operational costs and carbon emissions over the building's lifetime.
2. Single-Product System
Structure, insulation and weatherproofing in one panel — no separate liner trays, insulation rolls or vapour control layers required.
3. Fire-Rated Compliance
Choose mineral wool for Class A2-s1,d0 or PIR for Class B-s2,d0 to satisfy building regulations and insurance requirements without compromise.
4. Cold Room & Cold Storage Ready
Thick PIR and PU cores achieve the ultra-low U-values demanded by refrigerated warehouses, food processing plants and cold room panel applications.
5. Fast, Clean Installation
Factory-cut custom lengths and concealed fix systems allow rapid installation in all weather. Reduced on-site waste versus built-up roofing systems.
6. Long Service Life
Galvalume AZ150 steel facings with polyester or PVDF coatings provide corrosion resistance exceeding 25 years in most environments.
7. EN 14509 Quality Assurance
Every panel batch is tested and certified to EN 14509 — the European harmonised standard for self-supporting double skin metal faced insulating panels.
8. Acoustic Performance
Mineral wool cores offer significant sound reduction, making sandwich panels suitable for workshops, distribution centres and facilities near residential areas.
6. Long Service Life
Galvalume AZ150 steel facings with polyester or PVDF coatings provide corrosion resistance exceeding 25 years in most environments.
A sandwich panel roofing system combines structural, insulation and weatherproofing functions into a single factory-engineered product — eliminating the need for separate insulation layers, vapour barriers and roofing membranes. The result is faster installation, reduced labour costs and a building envelope with fully predictable thermal performance.
Introducing A Geometric steels Exclusive
METAhybrid® Thermal Insulated Roofing Sheet
(Industry-Leading R-Value 4.2")
Advanced Thermal Insulation Technology
Key Features:
✓ R-Value 4.2 - Superior thermal resistance
✓ 35% Energy Cost Reduction (Proven)
✓ ISO & CE Certified
✓ Approved by Top Indian Architects
✓ 100% Recyclable Materials
✓ Multi-layer composite construction
✓ Corrosion-resistant coating
✓ Available in custom colors & finishes
Real Results from Real Projects
Key Benefits:
1. Reduce HVAC load by 35-40%
2. Maintain consistent interior temperature
3. Lower carbon footprint & ESG compliance
4. Minimal maintenance - 20+ year lifespan
5. Fast installation - reduce project timelines
Where Insulated Sandwich
Roof
Panels Are Specified
Industrial Warehouses
Large-span logistics and distribution facilities requiring fast envelope installation.
Cold Storage & Cold Rooms
Refrigerated warehouses and food-grade facilities with stringent U-value requirements.
Commercial Buildings
Retail parks, data centres and office buildings targeting BREEAM or LEED ratings.
Agricultural Buildings
Farm stores, livestock housing and controlled-environment horticulture.
Food Processing Plants
Hygienic PU foam insulated roofing with smooth-finish facings for food-safe environments.
Healthcare & Education
Mineral wool panels meeting fire regulation requirements for public-sector buildings.
Simplified Roofing System Installation Process
01
Structural Frame
Verify purlin centres match panel span tables. Maximum spans from 1.8m to 6.0m depending on panel thickness, load and pitch.
02
Eave Detail
Install eave filler, closure and gutter bracket system before panel laying commences to ensure correct water shedding from day one.
03
Panel Laying
Panels are hoisted and laid upslope. Tongue-and-groove joints are engaged and secured with concealed fixings per the design load schedule.
04
Flashings & Sealing
Ridge, verge and penetration flashings are sealed with compatible sealant and fixings to complete the weather-tight envelope.
29.6 Million Square Feet of Proven Excellence
Landmark Projects Across India & World
Samruddhi Mahamarg
(Mumbai-Nagpur Expressway)
India's longest greenfield expressway - Specialized roofing for toll plazas, service stations, and administrative buildings
Philippines Metro Stations
International metro infrastructure - Roof access hatches for maintenance operations
Tanzania Sugar Factories
Industrial roofing for sugar processing facilities - High-temperature, high-humidity environments
Jaggery/Distillery Factories
Specialized roofing for India's sugar industry - Corrosion-resistant solutions for processing plants
Samruddhi Mahamarg (Mumbai-Nagpur Expressway)
Samruddhi Mahamarg (Mumbai-Nagpur Expressway)
Why Leading Industries Trust Geometric Steels
18 Years of Innovation & Excellence
Feature
Product Range
Flashing Length
Manufacturing
Technical Support
Customization
Quality Certifications
Experience
Geographic Reach
Thermal Innovation
Sustainability
Geometric Steels
64 products – Complete solution
5 meters (industry-first)
In-house, ISO certified
Complete BOQ & site supervision
Made-to-order, 1–12m lengths
ISO, CE, IAF certified
17+ years, 52 sugar factories
India + exports to 7 countries
METAhybrid® R-4.2
100% recyclable materials
Industry Standard
Limited range
2.5 meters
Often outsourced
Limited support
Standard sizes only
Variable
Varies
Limited
Standard options
Variable
Frequently Asked Questions
PIR (Polyisocyanurate) panels offer a slightly lower thermal conductivity (λ=0.022 W/mK) and improved fire performance (Class B-s2,d0) compared to PU (Polyurethane) panels (λ=0.023 W/mK). PIR is preferred where enhanced fire ratings are required, while PU panels deliver excellent thermal performance at a highly competitive price point. Both are suitable for most industrial and commercial roofing applications.
U-values range from 0.10 W/m²K (200mm PIR core) to 0.35 W/m²K (40mm panel), giving precise control over thermal performance. Most current building regulations for industrial buildings require U-values of 0.25 W/m²K or better — easily achieved with a 100mm PIR or PU panel. For cold storage and refrigerated environments, 150–200mm cores delivering 0.10–0.14 W/m²K are typically specified.
Yes. Insulated sandwich roof panels — specifically composite insulated panels with thick PIR or PU cores — are the preferred roofing solution for cold rooms, blast freezers and refrigerated warehouses. Cores of 100mm to 200mm deliver U-values between 0.10 and 0.22 W/m²K, minimising thermal bridging and maintaining stable operating temperatures while reducing refrigeration energy consumption significantly.
All panels provide 1000mm effective coverage width with a standard overall width of approximately 1100mm including the joint. Lengths are supplied factory-cut to your project schedule — typically up to 12m in a single piece, with longer panels available on request. Custom cut lengths eliminate site waste and reduce installation time considerably.
Mineral wool (rockwool) core panels achieve Class A2-s1,d0 — the highest fire performance classification under the European reaction-to-fire standard EN 13501-1. This makes them suitable for use in high-risk occupancies, buildings over 18m, public assembly buildings, healthcare facilities and any project where the building regulations or insurer stipulate non-combustible roof construction.