The 75mm Celotex GA4000 is a high-performance polyisocyanurate (PIR) Insulation Board offering superior thermal efficiency and straightforward installation. Featuring a low emissivity foil facing, this product suits multiple applications including Floor Insulation, walls, and roofs.
These lightweight 75mm PIR boards measuring 2400 x 1200mm deliver reliable Insulation performance with exceptional thermal properties. The low emissivity foil facing enhances thermal efficiency in sealed cavity spaces. The product achieves a BRE Green Guide A rating, demonstrating strong environmental credentials. BBA certification confirms suitability for Timber Frame Dwellings (16/5352) and Pitched Roof, Dry Lining, and Floor Insulation applications (17/5405).
Thickness: 75mm PIR
Length: 2400mm
Width: 1200mm
Dimensions: 2,400mm x 1,200mm x 75mm = 2.88m2
Weight: 6.74kg
Density: 42kg/m3
Material: Polyisocyanurate PIR Insulation
Profile: Improved thermal performance
Thermal Conductivity: 0.022 W/mk
R-Value: 3.40 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
Thermal Performance - This 75mm Insulation Board delivers outstanding thermal efficiency with a thermal conductivity rating of 0.022 W/m.K, enabling thinner insulation layers whilst meeting required U-values.
High Performance Facer - The integrated low emissivity foil facing boosts thermal performance within sealed cavity spaces, delivering improved U-value results.
Easy to Install - These 75mm Celotex boards combine lightweight construction with rigid strength, simplifying transport, handling, and installation on site.
BBA Certified - The Celotex GA4000 range holds BBA approval for 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
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
This 75mm PIR Insulation Board combines excellent thermal performance with a compact profile, making it ideal for achieving high insulation values in confined spaces. Widely specified by contractors and builders, it enhances building energy efficiency, reduces operational heating and cooling expenses, and creates more comfortable interior conditions.
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