Celotex XR4165 Zero ODP Rigid Insulation Board - 2.4m x 1.2m x 165mm

Product Code:
Free UK Delivery
Est. Delivery: 3-5 Working Days
View Transport Policy

All delivery charges are included in the final shopping basket and are dependent on the products Scottish Highlands & the Islands where additional shipping charges will apply.

Please note that not all products will incur an additional delivery charge to the Scottish Highlands & the Islands – this is based on the costs from the manufacturer, distributor or courier providing shipping on our behalf. If your delivery address is in the Scottish Highlandsand Islands, a member of our helpline team will contact you prior to processing your order should an additional delivery charge apply.

While we make every effort to ensure orders are delivered by the date required, we cannot guarantee availability from the manufacturer or the manufacturer's delivery schedules.

Any variation to web delivery date given will be advised to you by email or telephone. If we are unable to make delivery because access is not possible, we reserve the right to make a failed delivery charge.

£74.00 Incl. VAT
£61.67 Ex. VAT
Oops! Please select from the options

Product Description

Celotex XR4000 is a multi-purpose insulation board developed to provide simple solutions for overcoming localised thermal bridges.

With low emissivity foil facings, XR4000 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential (GWP). Our 12mm product positions Celotex as the manufacturer of the broadest range of product thicknesses, from 12mm-200mm.

The insulation shall be Celotex XR4000 comprising a polyisocyanurate rigid foam insulation core, with a thermal conductivity of 0.022W/mK and low emissivity aluminium foil facings on both sides. XR4000 is A+ rated when
compared to the BRE Green Guide 2008 and is CFC/HCFC free with zero ODP and low GWP.

Celotex XR4000 can be specifed for use in a variety of applications such as pitched roofs, flat roofs, solid masonry walls, floors, timber framed & steel framed systems.

CE marking compliance to BS EN 13165:2001 and manufactured in accordance with quality management systems BS EN ISO 9001:2000 by Celotex Limited. All products must be installed in accordance with instructions issued by Celotex Limited.

XR4000 specifications
Is suitable for use in a number of applications including roof, wall and floor systems.
Comes in thicknesses ranging from 110mm - 200mm.
Provides the thickest PIR insulation available from stock within the market.
Achieves U-values with minimum thickness.
Helps meet the current and future requirements of the building regulations (Part L), BREEAM and the code for sustainable homes.
Is easy to cut and shape
Includes low emissivity foil facings giving improved thermal insulation performance within cavity air spaces.
Provides reliable long-term energy savings for buildings.
Is available in a standard board size of 1200mm x 2400mm.

Product Documents


Width 1200 Length 2400 Thickness 165

Frequently Bought Together


Questions & Answers

There are currently no questions for this product.

Product Enquiry Form
Celotex XR4165 Zero ODP Rigid Insulation Board - 2.4m x 1.2m x 165mm

*Required Field

Would you like to empty your basket?

Yes No


It seems you are running an older version of Internet Explorer. Our site does not support these old browsers as they do not house the technology that allows our site to be safe and secure.

If you wish to access our site please either upgrade your browser or download an alternative.