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Celotex CG5000 Partial Fill Cavity Wall PIR Boards

Specialist Celotex Product, available in most thickness’s from the manufacturers, short lead-times apply to the following products CG5041, CG5047, CG5050, CG5060, CG5070, CG5075, CG5085, and CG5100

Product Functions Celotex CW4000 installed in a partial fill cavity wall application

Specifically targeted at partial fill cavity wall applications Celotex CG5000 is a premium performance PIR solution. CG5000 represents pioneering advancement within the PIR industry, uniquely offering superior performance in terms of combined thermal efficiency, sustainability and fire performance.

Certified under BBA certificate number 95/3197 and 09/4667

Product Description

Premium performance PIR solution specifically designed for use within partial fill cavity wall applications, the CG5000 range offers an insulation board with enhanced thermal performance as well as an 'A' rating in the BRE Green Guide 2008, low GwP and Class o fire performance throughout the entire product.

With its low emissivity textured aluminium foil facings, CG5000 is manufactured from rigid polyisocyanurate (PIR) using blowing agents that have low global warming potential (GwP) and zero ozone depletion potential (zero odP)

Product Benefits

Celotex CG5000 specifically manufactured for partial fill Cavity Walls  ...

Has a lower thermal conductivity value (0.021W/mK) compared with other typical PIR insulation boards providing enhanced thermal performance

Has super low emissivity with Celotex IQ, delivering some of the highest rigid board insulation solutions

Achieves an A+ rating when compared to the BRE Green Guide 2008 Has Class O fire performance throughout the entire product in accordance with BS 476

Is available in a broad range of thickness’s from 41mm-100mm and in a board size of 1200mm x 450mm

Is specifically targeted at partial fill cavity wall applications

Product availability indicators

CG5000 - Price and Availability Advisory:

Presently there are no availability restrictions.

Excellent = Product Availability Excellent Good = Product Availability Good Fair = Product Availability Fair Poor =  Product Availability Poor Undetermined = Product Availability Undetermined
Availability relies on stock levels at closest depots and upon transport logistics to effect deliveries

Technical Data

Celotex CG5000 PIR Insulation Boards for Partial Fill Cavity Wall Applications

Product Code

Board dimensions

Thickness (mm)

λ Value (w/mK)

R-value (m²K/W)

U Value (W/m²K)

Weight (kg/m²)

Unit weight (kg)

Celotex CG5041 12 x 0.45 x 1.2 = 6.48m² 41 0.021 1.95 0.51 1.52 9.85
Celotex CG5047 10 x 0.45 x 1.2 = 5.40m² 47 0.021 2.2 0.45 1.71 9.23
Celotex CG5050 10 x 0.45 x 1.2 = 5.40m² 50 0.021 2.35 0.43 1.81 9.77
Celotex CG5060 8 x 0.45 x 1.2 = 4.32m² 60 0.021 2.85 0.35 2.16 9.33
Celotex CG5070 7 x 0.45 x 1.2 = 3.78m² 70 0.021 3.3 0.3 2.48 9.37
Celotex CG5075 6 x 0.45 x 1.2 = 3.24m² 75 0.021 3.55 0.28 2.64 8.55
Celotex CG5085 5 x 0.45 x 1.2 = 2.70m² 85 0.021 4 0.25 2.96 7.99
Celotex CG5100 5 x 0.45 x 1.2 = 2.70m² 100 0.021 4.75 0.21 3.38 9.13

Thermal conductivity / Lambda value (W/mK) = 0.021 | Compressive strength (kPa) = ≥ 120 | Water vapour resistance (MNs/g) = > 150 | Please Note: R-Value = Thermal Resistance; U Value = Thermal Transmittance Co-efficient; Compressive strength = kiloPascals; Vapour resistance = MegaNewton seconds per gram.

Product Information and Certification

Links to manufacturer's information. Click to download in a separate browser window.

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Product Installation - Celotex CG5000

Please see installation information for the CW4000 Range - Click Here

Contact Manufacturer

Celotex Limited

Lady Lane Industrial Estate, Hadleigh, Ipswich, Suffolk, IP7 6BA

Celotex Technical Advisory Service.

Telephone: 0901 996 0100 (30p per minute) - Fax: 01473 820 889
Web sites: Celotex Home Page / Celotex U-Value Calculator.

Contact us

Insulation Online Limited

Sales Office only:39 Normandy Road, Worthing, West Sussex, BN14 7DX, UK

Telephone: 0333 8000 828


Web site: - we always deliver top quality products, competitive pricing and an efficient caring service