Celotex XR4000 is targeted at ‘cut-to-fit’ applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. XR4000 is also appropriate for use in floors and walls. Our 200mm thick product po...Read More
Celotex XR4000 is targeted at ‘cut-to-fit’ applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. XR4000 is also appropriate for use in floors and walls. Our 200mm thick product positions Celotex as the manufacturer of the broadest range of product thicknesses from 12mm-200mm.
With low emissivity foil facings, XR4000 is manufactured from rigid polyisocyanurate (PIR) using a blowing agent that has zero ozone depletion potential (zero ODP) and low global warming potential (GWP).
Length: 2.4m.
Width: 1.2m.
Coverage: 2.88m2.
Pack quantity: 12x sheets.
Pack coverage: 34.56m2.
Thickness: 165mm.
rValue: 7.50m2K/W.
Weight: 5.43kg/m2.
Thermal conductivity: 0.022 W/mk - BS EN 12667.
Compressive strength: ≥140kPa - BS EN 826.
Water vapour resistance: >150MNs/g - BS EN 12086: Method B.
Spread of flame: Class 1 - BS 476-7.
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.
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