
Fire Retardant PIR Wall Panels
The panel incorporates a fire-retardant polyisocyanurate (PIR) insulation core, offering enhanced resistance to flame spread while maintaining low thermal conductivity.
This panel system is suitable for buildings that require controlled internal environments along with improved passive fire safety.The PIR insulation core demonstrates improved fire performance compared to conventional polyurethane insulation.

Colour Shades
Fire Retardant PIR wall Panels are supplied with a standard colour-coated finish selected to meet functional zoning, architectural coordination, and environmental exposure requirements. The pre-coated metal facings are factory-finished to ensure uniform colour consistency, corrosion resistance, and long-term surface stability under industrial and coastal operating conditions.
Select Color:
Product Specifications
| Parameters | Specifications |
|---|---|
| Full Form | Polyisocyanurate |
| Core Material | Modified Polyurethane |
| Thermal Conductivity (k-value) | 0.018–0.021 W/m·K |
| Insulation Performance | Excellent |
| Fire Resistance | B1 (Better Fire Retardant) |
| Smoke Generation | Lower |
| Density | 40–45 kg/m³ |
| Panel Thickness | 30–200 mm |
| Panel Width | 1000 mm |
| Panel Length | Up to 12–15 m |
| Top Sheet | PPGI / GI / Aluminium / SS |
| Bottom Sheet | PPGI / GI / Aluminium / Foil |
| Sheet Thickness | 0.35–0.60 mm |
| Wall Profile | Plain / Ribbed |
| Weight (50 mm) | 11–13 kg/m² |
| Service Temperature | -40°C to +120°C |
| Cost | Higher (10–20% more) |
| Typical Applications | Pharma, FMCG |
Profile drawing

Key Performance Attributes
Outlining Essential performance parameters influencing insulation, strength, and installation efficiency.
Improved Fire Behavior
PIR core limits flame spread compared to standard foam insulation.
High Thermal Efficiency
Low thermal conductivity supports effective wall insulation.
Airtight Jointing System
Precision joints reduce air leakage through wall assemblies.
Structural Panel Stability
Bonded metal facings provide rigidity and long-term performance.
Available Joints
Mount’s panel joint configurations ensure precise alignment, secure interlocking, and effective load transfer, enhancing structural continuity, air and moisture tightness, and installation efficiency while maintaining long-term durability .

Roof Joint

Single Tongue & Groove Joint

Double Tongue & Groove Joint

Hidden Tongue & Groove

Camlock Joint

M Section
Advantages of the Fire Retardant PIR Wall Panel
Engineered Fire-Resistant Polymer Structure
Polyisocyanurate insulation forms a thermally stable cross-linked structure that supports controlled fire behaviour within vertical wall assemblies.
Protective Char Formation Under Fire Exposure
When exposed to elevated temperatures, PIR insulation forms a carbonaceous char layer that helps limit heat progression through the panel core.
Stable Core Performance in Vertical Applications
The rigid PIR matrix maintains structural form under sustained heat exposure, supporting dimensional reliability in wall systems.
Low Thermal Conductivity for Wall Enclosures
PIR cores provide effective thermal resistance within vertical building envelopes, supporting energy-efficient wall construction.
Suitable for Fire-Aware Compartment Design
Commonly specified in industrial and commercial buildings where insulated wall assemblies are part of an overall passive fire strategy.
Adaptable to Concealed Joint Wall Systems
PIR wall panels can be configured with flush or hidden joint profiles to maintain insulation continuity while supporting clean internal finishes.
Accessories
Mount Roofing & Structures provides engineered panel accessories designed to support installation accuracy, system compatibility, and enclosure performance across insulated panel applications.
These accessories are developed to integrate seamlessly with Mount panel systems, ensuring coordinated detailing, structural alignment, and long-term operational reliability across industrial, commercial, cleanroom, and cold storage projects.
Applications

Industrial Factories
Provides insulated vertical wall systems with enhanced fire response.

Warehouses
Improves wall insulation performance in bulk storage facilities.

Chemical Units
Used for insulated walling in process-support buildings.

Automotive Workshops
Durable insulated walling for production and service areas.

Pharmaceutical Facilities
Suitable for insulated wall enclosures in production zones.

Food & Beverage Plants
Provides insulated vertical surfaces in controlled environments.

Power Plant Control Rooms
Improves thermal control in enclosed service buildings.

Oil & Gas Administrative Buildings
Used in insulated wall systems within operational sites.

Commercial Storage Buildings
Supports insulated cladding systems.

Industrial Utility Rooms
Provides insulated wall enclosures for equipment rooms.

Engineering Fabrication Units
Used in insulated wall assemblies for industrial halls.

Pre-Engineered Buildings
Integrates with steel structures as insulated wall cladding.
Why Choose Mount?
Mount Roofing & Structures manufactures Fire Retardant PIR wall panels using automated continuous production systems supported by in-house engineering coordination. Controlled processing is essential in PIR systems to ensure uniform foam formulation, density control, and metal-to-core bonding consistency.
- 30+ Years of Combined Industry Experience
Technical expertise across insulated panels and steel building systems.
- Automated PUF Panel Production Lines
Ensures uniform core bonding, dimensional accuracy, and repeatable quality.
- 8.5 Million m² Annual Production Capacity
Supports large-scale industrial and infrastructure roofing projects.
- 460+ Skilled Workforce
Structured manufacturing, quality monitoring, and execution oversight.
- Exports to 89 Countries
Experience supporting cold storage, industrial, and infrastructure developments globally.

Frequently asked Question
It is an insulated wall panel with a fire-retardant polyisocyanurate (PIR) core designed to improve fire behaviour and thermal insulation.
PIR (Polyisocyanurate) and PUR (Polyurethane/PUF) panels are both rigid foam insulation systems with metal facings, offering strong thermal performance and durability.
The main difference is in their chemistry,PIR has more isocyanurate linkages, while PUR (PUF) is based on polyurethane.
PIR is often selected for applications requiring specific thermal and fire performance standards, while PUR (PUF) is widely used for its excellent insulation, cost efficiency, and versatility.
PIR panels are engineered for superior fire performance resisting flame spread, reducing heat release, and maintaining structural integrity longer under fire conditions than standard insulation panels.
Fire-Retardant PIR Wall Panels are commonly used in warehouses, cold storage facilities, food processing plants, manufacturing units, and other commercial or industrial buildings where thermal efficiency and fire safety compliance are essential.
Yes, the PIR core provides high thermal efficiency and helps maintain stable indoor temperatures.
Yes, they can be used for both external walls and internal partition systems.
Through a combination of interlocking joint profiles, a continuous PIR core, sealed metal facings, and precision manufacturing ,together creating a building envelope that controls air movement and maintains thermal performance consistently.
Yes, smooth metal facings and sealed joints support clean and controlled interior conditions.
Yes, PIR insulation is manufactured without CFC, HFC, or HCFC blowing agents.
Fire performance requirements, thermal insulation needs, wall height, and applicable building regulations.









