Celotex Roof Insulation Between Rafters

Rigid polyisocyanurate pir foam insulation boards from celotex are among the most thermally efficient commonly available insulation materials on the market.

Celotex roof insulation between rafters.

Celotex high performance thermal pir insulation boards for insulating between and over rafters with thicknesses ranging from 12mm to 200mm and lambda as low as 0 022 w mk. For all updates and celotex announcements since june 2017 please see the links below. Depending on the specifics of the roof it may be possible to fully fill the rafter depth or in most cases leave a 25mm or 50mm air gap between the top face of the insulation and the. Saint gobain insulation uk manufacture and supply glass mineral wool slabs and rolls along with rigid polyisocyanurate pir boards that can be considered suitable for a wide range of applications across pitched roofs whether you re looking to insulate at joist level or at rafter level in your pitched roof construction.

The void created by a pitched roof can be made habitable by insulating along the plane of the roof pitch with celotex rigid pir insulation boards. Celotex offer pir thermal insulation boards in various thicknesses for new build and refurbishment applications for both the commercial and domestic sectors. Once up at roof level the between rafter boards can be cut accurately to fit the rafter spacings. Being lightweight they do not impose significant additional loads on existing structures.

Login to the saint gobain insulation uk members area for a range of specification tools making specifying celotex and isover insulation solutions easy. The saint gobain insulation uk u value calculator gives you instant access to calculating a proposed insulation thickness and product options or giving an indicative calculation on a proposed construction detail. Alternatively battens can be secured to the underside of the. Where headroom and rafter depth is limited celotex insulation may be fitted between and over the rafters.

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