Celotex XR4120 120mm x 1200mm x 2400mm Insulation from Celotex | Swansea

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Celotex XR4120 120mm x 1200mm x 2400mm Insulation

Pitched Roofing Applications:

• Loft Insulation
• Pitched Roof Sarking
• Between and Over Rafters
• Between Rafters
• Between and Under Rafters

Celotex XR4000 is targeted at ‘cut-to-fit’ applications between
rafters or joists, floors and flat roofs, enabling users to achieve
lower U-values with a single layer of insulation than has previously
been possible.

Celotex XR4000

Applications
• Pitched roofs
• Flat roofs
• Solid masonry walls
• Timber framed & steel framed systems
• Floors

Specification clause
The insulation shall be Celotex XR4000 ____mm thick
comprising a polyisocyanurate rigid foam insulation core
with a thermal conductivity of 0.022 W/mK with low
emissivity aluminium foil facings on both sides. Celotex
XR4000 is CFC/HCFC free with zero ODP, low GWP and
CE marking. Celotex XR4000 is manufactured in
accordance with quality management system ISO 9001
and environmental management system ISO 14001. All
products must be installed in accordance with guidance
issued by Celotex.

Where building regulation approval is required, you should
take advice from your local building control authority and
the building designer.

Technical data

Celotex 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 12-200mm.
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).

With Celotex XR4000 you are specifying an insulation board that:
• Is suitable for use in a number of applications including roof,
wall and floor systems
• Provides the thickest PIR insulation available from stock
within the market
• Is certified under BBA certificate numbers 17/5405, 16/5352
• Helps meet the requirements of Approved Document L
and Section 6
• Includes low emissivity foil facings giving improved thermal
insulation performance within cavity air spaces
• Can be used to provide reliable long-term energy savings
for buildings