50mm Celotex GA4000 PIR Insulation Board

The 50mm Celotex GA4000 is a polyisocyanurate (PIR) Insulation Board delivering exceptional thermal efficiency and straightforward installation. Finished with a low emissivity foil facing, this rigid board suits multiple applications including Floor Insulation, walls, and roofs.

Our lightweight 50mm PIR boards measuring 2400 x 1200mm provide dependable Insulation performance. The low emissivity foil facing enhances thermal properties significantly. These boards achieve a BRE Green Guide A rating, confirming their environmental credentials. BBA certification has been awarded under certificates 16/5352 for Timber Frame Dwellings and 17/5405 for Pitched Roof, Dry Lining, and Floor Insulation applications.

Properties

Thickness: 50mm PIR

Length: 2400mm

Width: 1200mm

Dimensions: 2,400mm x 1,200mm x 50mm = 2.88m2

Weight: 4.46kg

Density: 42kg/m3

Material: Polyisocyanurate PIR Insulation

Profile: Improved thermal performance

Thermal Conductivity: 0.022 W/mk

R-Value: 2.25 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 - The 50mm Insulation Board demonstrates outstanding thermal efficiency with a thermal conductivity rating of 0.022 W/m.K, enabling thinner installation depths whilst meeting required U-value standards.

High Performance Facer - The low emissivity foil facing improves thermal performance within sealed cavity spaces, helping achieve superior U-values.

Easy to Install - 50mm Celotex boards feature lightweight, rigid construction that simplifies transport, handling, and installation on site.

BBA Certified - Celotex GA4000 holds BBA approval for defined roof, wall and floor applications when installed, used 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

50mm PIR Insulation Board is recognised for its superior thermal performance, delivering substantial insulation value with minimal thickness required. Builders and contractors favour this product for its efficiency and adaptability, making it ideal for enhancing building energy performance, lowering operational heating and cooling expenses, and creating improved indoor comfort levels.

Info

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