70mm Celotex GA4070 PIR Insulation Board

The 70mm Celotex GA4070 is a polyisocyanurate (PIR) Insulation Board delivering exceptional thermal performance with straightforward installation. Featuring a low emissivity foil facing and available across multiple thicknesses, this product suits diverse applications including Floor Insulation, walls, and roofs.

These lightweight 70mm PIR boards measuring 2400 x 1200mm provide reliable Insulation performance with a low emissivity foil facing for enhanced thermal efficiency. The boards achieve a BRE Green Guide A rating, demonstrating strong environmental credentials. BBA certification is included, with certificates 16/5352 for Timber Frame Dwellings and 17/5405 for Pitched Roof, Dry Lining, and Floor Insulation applications.

Properties

Thickness: 70mm PIR

Length: 2400mm

Width: 1200mm

Dimensions: 2,400mm x 1,200mm x 70mm = 2.88m2

Weight: 6.25kg

Density: 42kg/m3

Material: Polyisocyanurate PIR Insulation

Profile: Improved thermal performance

Thermal Conductivity: 0.022 W/mk

R-Value: 3.15 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 70mm Insulation Board delivers superior thermal performance with a thermal conductivity rating of 0.022 W/m.K, enabling reduced insulation thickness whilst meeting target U-values.

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

Easy to Install - The 70mm Celotex boards combine lightweight construction with rigid structure, simplifying transport, handling and installation work.

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

Sustainability - Celotex Insulation GA4070 holds 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 70mm PIR Insulation Board is recognised for outstanding thermal performance, delivering substantial insulation value in a compact profile. Widely selected by contractors and builders for its superior performance and application flexibility, it enhances building energy efficiency, lowers heating and cooling expenses, and creates improved indoor comfort conditions.

Info

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