Flat Roof Insulation Boards With Ply

Run vertical 2 3 boards battens over roof sheething 16 o c.

Flat roof insulation boards with ply.

Celotex td4000 is purpose designed for use in light traffic flat roof applications. 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 flat roofs whether you re looking to insulate at joist level or above the roof deck in your flat roof construction. A flat roof should always allow for water channelling and drainage to prevent issues such as ponding. Celotex td4000 pir insulation for light traffic flat roof applications.

It accounts for over 60 of all installs. Cost of rigid foam board insulation. The most efficient and best insulation used is rigid foam polyiso. Also consider using alternative rigid pir boards with external quality plywood boards added separately.

Celotex td4000 flat roof plywood bonded boards celotex have replaced this range. And then install 1 2 minimum recommended is 5 8 or thicker plywood on top of battens. Usually homeowners spend about 25 of the total cost to install a flat roof on high quality insulation. Celotex td4000 comprises a polyisocyanurate rigid foam insulation core with a thermal conductivity of 0 022 w mk and low emissivity aluminium foil facings on both sides bonded to a layer of 5 5mm wbp exterior grade plywood.

Please consider celotex crown fix. Ponding can lead to premature failures in the waterproofing system and the need to refurbish an area or the entire flat roof before the end of its intended design lifetime.