100mm Celotex GA4000 PIR Insulation Board

The 100mm Celotex GA4000 is a polyisocyanurate (PIR) Insulation Board delivering 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 100mm PIR boards measuring 2400 x 1200mm provide reliable Insulation performance with a low emissivity foil facing. The product achieves a BRE Green Guide A rating, confirming its sustainability 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: 100mm PIR

Length: 2400mm

Width: 1200mm

Dimensions: 2,400mm x 1,200mm x 100mm = 2.88m2

Weight: 8.93kg

Density: 42kg/m3

Material: Polyisocyanurate PIR Insulation

Profile: Improved thermal performance

Thermal Conductivity: 0.022 W/mk

R-Value: 4.50 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 100mm Insulation Board delivers superior thermal performance with a thermal conductivity of 0.022 W/m.K, enabling reduced insulation thickness for your target U-value.

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

Easy to Install - These 100mm boards are light and rigid, making transportation, handling, and installation straightforward.

BBA Certified - Celotex GA4000 has BBA approval for defined roof, wall and floor applications when installed, used and maintained according to the certificate.

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 100mm PIR Insulation Board offers excellent thermal performance with minimal thickness. Favoured by contractors and builders for its high performance and adaptability, it enhances building energy efficiency, lowers heating and cooling expenses, and creates a more comfortable living space.

Info

Browse our Celotex range and filter by thickness or coverage using the left-hand side options. For product suitability advice or bulk quotations, contact us on +4402038839057, email sales@insulationbee, or use Live Chat - Lowest UK Insulation Prices.