Another use for Celotex GA4000 can be for use as roof insulation , generally used in conjunction with other insulation materials to perform to building regulations the Celotex GA4000 should be cut to fit tightly between rafters with all joints where boards meet being taped to seal. Then a board of either TB4000 or PL4000 or other appropriate insulation materials would be fixed over the top of the GA4000 covering it and the rafters. Celotex GA4000 can also be used in partition / internal walls giving a high performance thermal insulation which in time will provide great savings in your home energy bills.
Celotex GA4000 is manufactured from a Polyisocyanurate foam covered both sides with a low emissivity foil facing they are very easy to cut with a fine toothed saw although a dust mask is advised when cutting to prevent dust inhalation, the Celotex insulation board has a grid system printed on one side of the foil which helps when cutting and also laying out underfloor heating pipeworks. The Board is manufactured in a standard size of 2400mm x 1200mm and these are generally stocked in 50mm , 60mm , 65mm , 70mm , 75mm , 80mm , 90mm and 100mm these boards are available in any quantities (delivery charges may apply on very small amounts) to suit your project and are usually on 2-3 working days for delivery and sometimes quicker if required.