90mm Celotex GA4000 PIR Insulation Board

The 90mm Celotex GA4000 is a high-performance polyisocyanurate (PIR) Insulation Board offering exceptional thermal efficiency and straightforward installation. Featuring a low emissivity foil facing, this product suits multiple applications including Floor Insulation, walls, and roofs.

These lightweight 90mm PIR boards measuring 2400 x 1200mm deliver reliable Insulation performance with a low emissivity foil facing for enhanced thermal efficiency. The product achieves a BRE Green Guide A rating, demonstrating strong environmental credentials. It holds BBA certification with certificates 16/5352 for Timber Frame Dwellings and 17/5405 for Pitched Roof, Dry Lining, and Floor Insulation applications.

Properties

Thickness: 90mm PIR

Length: 2400mm

Width: 1200mm

Dimensions: 2,400mm x 1,200mm x 90mm = 2.88m2

Weight: 8.04kg

Density: 42kg/m3

Material: Polyisocyanurate PIR Insulation

Profile: Improved thermal performance

Thermal Conductivity: 0.022 W/mk

R-Value: 4.05 m2K/W

Series: Celotex GA4000

Compressive Strength: 120kPa

Vapour Resistivity: 100 MNs/gm

Building Regulations: Compliant - 16/5352 | 17/5405

Finish: Low Emissivity Composite Foil Facing

Applications: Walls|Roofs ǀ Floors ǀ Ceilings

BBA Certified: Yes (no. 17/5405, 16/5352)

Reaction to Fire: Euroclass F

Edge Profile: Square Edge

Features: High-performance PIR Rigid Insulation

About

Thermal Performance - This 90mm Insulation Board delivers outstanding thermal performance with a thermal conductivity rating of 0.022 W/m.K, enabling reduced insulation thickness requirements for target U-values.

High Performance Facer - The low emissivity foil facing enhances thermal performance in sealed cavity spaces, delivering improved U-value results.

Easy to Install - These 90mm boards combine lightweight construction with rigid structure, simplifying transport, handling, and installation on site.

BBA Certified - The Celotex GA4000 range has undergone BBA assessment and is approved for use in specified roof, wall, and floor applications when installed and maintained according to certification requirements.

Sustainability - Celotex Insulation GA4000 achieves a BRE Green Guide Rating of A

Applications

Roofs - Pitched Roof Insulation - Between and Under Rafters Roofs - Flat Roof Insulation - Balconies and Terraces Roofs - Flat Roof Insulation - Between and Under Joists Walls - External Wall Insulation - Upgrading Cavity Walls Walls - External Wall Insulation - Timber Frame Walls Walls - External Wall Insulation - Solid Walls Floors - Ground Floor - Beam and Block Floors Floors - Ground Floor Insulation - Concrete Slab Ground Floors Floors - Ground Floor Insulation - Upgrading Concrete Slab Floors Floors - Ground Floor Insulation - Suspended Timber Floors

Celotex PIR Insulation

This 90mm PIR Insulation Board is recognised for superior thermal performance, delivering substantial insulation value in a compact thickness. Widely specified by contractors and builders, this product enhances building energy efficiency, reduces operational heating and cooling expenses, and creates improved indoor comfort levels.

Info

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