
PIR Fire-Rated Cold Room Panels
Polyisocyanurate (PIR) sandwich panels with B1-grade fire rating. Required for food processing, pharma and high-fire-risk applications.
- B1-Grade Fire Rating · 50-200mm
What The PIR Fire-Rated Cold Room Panels Does
PIR (Polyisocyanurate) sandwich panels offer superior fire resistance compared to standard PU panels — achieving B1 (China GB 8624) or Euroclass B-s2,d0 ratings. The PIR core is self-extinguishing and produces significantly less smoke and toxic gas during fire exposure, making it mandatory for food processing facilities, pharmaceutical clean rooms, and high-occupancy cold storage projects in many jurisdictions.
Howcool's PIR panels use 0.5-0.6 mm pre-painted galvanised steel facings (PVC, PVDF or PE coating) with continuous-foamed PIR core at 42-45 kg/m³ density. Standard thicknesses 50, 75, 100, 120, 150, 200 mm. Cam-lock joints for fast on-site assembly without adhesives or sealants on the joint face.
Polyisocyanurate (PIR) sandwich panels with B1-grade fire rating. Self-extinguishing core, lower smoke generation than PU. Required for food processing, pharmaceutical, and high-occupancy cold storage applications.

Why Buyers Choose This Model
B1 / Euroclass B-s2,d0 Fire Rating
Self-extinguishing PIR core. Required for food processing facilities, pharma clean rooms, and any cold storage subject to strict fire codes.
Lower Smoke Generation
PIR produces 70-80% less smoke than standard PU during fire exposure. Improved life safety and reduced insurance premiums.
Same Thermal Performance
λ = 0.022 W/(m·K) — equal to or better than standard PU. No compromise on energy efficiency.
Faster Cam-Lock Assembly
Same cam-lock joint as our PU panels. 4-man crew installs 200 m² per day.
Cold Room Panels Failure Modes
Heat ingress that never stops
Polyurethane panels with low thermal conductivity in thicknesses from 50 to 200 mm; on our Jeddah design, 150 mm cut summer heat ingress by over 40% against 100 mm.
Fire compliance
PIR fire-rated and rockwool fire-wall panels for sites where the insulation core has to meet building fire codes.
Frost heave under the slab
Embossed aluminium floor panels and insulated floor build-ups with anti-frost-heave heating for freezer rooms.
Technical Data
Values below are the manufacturer's standard range. Anything not listed is confirmed against your heat load calculation before order.
| Core Material | PIR (Polyisocyanurate), density 42-45 kg/m³ |
|---|---|
| Fire Rating | B1 / Euroclass B-s2,d0 |
| Thermal Conductivity λ | 0.022 W/(m·K) at 10°C |
| Thickness | 50 / 75 / 100 / 120 / 150 / 200 mm |
| Facing | 0.5-0.6 mm pre-painted galvanised steel |
| Coating | PVC / PVDF / PE |
| Joint | Cam-lock with EPDM gasket |
| Panel Width | 1000 / 1150 / 1200 mm |
|---|---|
| Max Length | 12 m (continuous panel) |
| Production Lead Time | 25-35 days after deposit |
| Warranty | 10 years on panel integrity |
| Certification | ISO 9001, CE, GB 8624 B1, FM 4880 |
| Origin | Beijing, China |
PIR Fire-Rated Cold Room Panels In Production And On Site



Sectors Using This Equipment

Food Processing
Processing lines do not wait. When freezing capacity falls behind the kill floor or the packing line, product queues at ambient...
Fruit and Vegetable
Fruit keeps respiring after harvest. Temperature slows it down; controlled atmosphere nearly stops it. The difference between the...
Pharmaceutical and Biotech
In pharmaceutical storage the temperature record is part of the product. A chamber that held its set point but cannot prove it...
PIR Fire-Rated Cold Room Panels Questions
What capacity range does the PIR Fire-Rated Cold Room Panels cover?
The standard range is B1-Grade Fire Rating · 50-200mm. All models are customised to the calculated heat load of your room or line, so send volume, temperature and product type for exact selection.
What is the production lead time?
25-35 days after deposit. Equipment is packed in export wooden cases.
What warranty applies?
10 years on panel integrity, backed by 24/7 remote support. On-site service is available for export projects.
Is the equipment certified?
ISO 9001, CE, GB 8624 B1, FM 4880. Howcool's quality management system is certified to ISO 9001:2015 by CFL Certification Center.
Often Specified Together

PU / PIR Cold Room Panels
Cam-Lock and Plug-in sandwich panels with polyurethane core and color-coated steel. 15-20 year lifetime.
Rockwool Fire-Wall Cold Room Panels
Mineral rockwool sandwich panels with A2-grade non-combustible rating. Used for fire-wall separations and high-risk industrial applications.
Embossed Aluminium Floor Panels
Walkable cold-storage floor panels with embossed aluminium tread surface. Forklift-rated insulation for cold room floors.
Blast Freezer & Low-Temp Panels
Heavy-thickness panels for blast freezers, IQF rooms and ultra-low-temperature applications down to −40°C.
Facilities Built With This Equipment Family

2,000-ton Food Cold Storage Project
Hanbell screw parallel unit + PLC automation. 100mm PU panels with 40±2 kg/m³ density.

49,500m³ Food Cold Storage Solution
Large-scale multi-zone food cold storage. Turn-key design-build.

1,643 m² Controlled-Atmosphere Cold Storage
1,643 m²/5,749 m³ CA cold storage with 6 partitioned rooms and Hanbell screw parallel refrigeration system.
Request A Quotation For The PIR Fire-Rated Cold Room Panels
Tell us the room volume, target temperature and product type and we will confirm the model, capacity and delivered price.
