Cold Chain Infrastructure · PIR & PUF
Heat Insulation Panels
Keeping heat out and conditioned air in is the most common insulation requirement in Indian construction. Whether it is a factory roof under direct summer sun, a warehouse wall facing west, or an office building trying to control HVAC costs, the right panel thickness and core material makes the difference between a comfortable, efficient building and one that fights its climate every single day.
0.022
Best W/m·K (PIR)
3
Core Types Available
30m
Max Panel Length

Which Panel Fits
Choosing the Right Panel for Heat Insulation
PUF
Standard Choice
The practical choice for most heat insulation projects. Excellent thermal performance at the most competitive cost per square metre.
Thermal
0.024 W/m·K
Thickness
40-80mm
Best For
Standard buildings
PIR
Maximum Efficiency
When space is constrained or you need the best possible thermal value from the thinnest panel available.
Thermal
≤0.022 W/m·K
Thickness
30-60mm
Best For
Constrained space
Rockwool
Heat + Fire Safety
When your heat insulation project also requires non-combustible construction for code or insurance compliance.
Thermal
0.038 W/m·K
Thickness
60-100mm
Best For
Fire-risk zones
The Practical Guide
How Much Insulation Do You Need?
Heat insulation requirements in India vary enormously by region and building use. A factory roof in Rajasthan needs far more thermal protection than an office wall in Bangalore. Rather than guessing at a thickness, work backward from your target internal temperature and let the physics tell you the panel. Our engineering team calculates this for every enquiry at no cost.
01
Roof Before Wall
Roofs take direct sun for hours and lose the most heat. Prioritise roof insulation thickness over wall thickness if budget is limited.
02
Climate Zone Matters
Coastal and northern plains regions need different specifications. Share your project location and we calculate the exact requirement.
03
PIR for Maximum Efficiency
When roof space or wall thickness is constrained, PIR delivers the best insulation value per millimetre of any panel core available.
04
PUF for Standard Projects
For most industrial buildings without space constraints, PUF delivers excellent thermal performance at a lower cost per square metre.
Where It Applies
Common Use Cases
Factory Roofing
Large-span industrial roofs under direct sun exposure across Indian summers.
Warehouse Walls
External cladding reducing heat gain through west and south-facing walls.
Office Buildings
Commercial buildings where HVAC load reduction directly cuts operating costs.
Process Areas
Manufacturing zones requiring stable internal temperatures for equipment or product.
Questions
About Heat Insulation
Common questions about specifying heat insulation panels for Indian building conditions.
What panel thickness do I need for heat insulation in India?
It depends entirely on your location, roof or wall orientation, and target internal temperature. As a general guide, 40 to 50mm PUF or PIR handles standard industrial buildings in most regions. Buildings in extreme heat zones like Rajasthan or with strict temperature control needs may require 60 to 80mm. Share your project details and our team calculates the exact thickness.
Should I choose PIR or PUF for heat insulation?
Both work well for standard heat insulation. PIR gives you better thermal performance per millimetre, which matters if roof height or wall thickness is constrained. PUF is more cost-effective and performs excellently for the majority of standard industrial and commercial buildings. We will recommend based on your specific constraints.
Does the facing colour affect heat insulation performance?
Yes, significantly for roofing. Lighter colours and reflective coatings reduce solar heat gain before it even reaches the insulation core. We can supply cool-roof rated coatings that further reduce internal temperatures beyond what the core insulation alone achieves.
Can heat insulation panels also handle fire safety requirements?
Yes. If your project needs both heat insulation and enhanced fire performance, PIR or Rockwool panels handle both requirements simultaneously. We size the panel for your thermal target and select the core material based on your fire classification needs.
Talk to Our Team
Tell Us About Your Project.
Share your requirements and we will come back with a panel specification and indicative pricing within five working days.
- Factory: Derabassi, Mohali, Punjab
- Office: #669, Sector 11-B, Chandigarh
- Phone: +91 98883 00888
- Email: info@aceprefab.com

