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    Cavity Insulation - Partial Fill

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    Celotex CG4000 (28K)

    Product Description:

    Celotex CG4000 is a premium performance PIR solution specifically designed for use within partial fill cavity wall applications.

    Through ongoing product innovation and breakthrough design, CG4000 represents pioneering progression within the PIR market offering an insulation board with enhanced thermal performance, Class O fire performance throughout the entire product and an A+ rating when compared to the Bre Green Guide 2008.

    With low emissivity textured aluminium foil facings, CG4000 is manufactured from rigid polyisocyanurate (PIR) using blowing agents that have low global warming potential (GWP) and zero ozone depletion potential (zero odp).

    With CG4000, you are specifying an insulation board that:
    • Has a lower thermal conductivity value (0.022w/mK) compared with other typical PIR insulation boards providing enhanced thermal performance
    • Has the best fire performance of any PIR insulation board. CG4000 is Class o rated throughout the entire product in accordance with BS 476
    • Is available in a range of thicknesses from 40mm-100mm and in a board size of 1200mm x 450mm
    • Includes low emissivity textured aluminium foil facings giving improved thermal performance within cavity air-spaces
    • Is specifically targeted at partial-fill cavity wall applications


    July 2011 - REplaced by new Celotex CG5000 - with lower lambda value of 0.021W/mK


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