Osb3 Board For Flat Roof

The current roof is polycarbonate hipped roof.

Osb3 board for flat roof.

Which way should my osb roof board s be installed. Pitched roof or flat roof. Osb3 tongue groove 2400mm x 600mm x 18mm is a premium board for roofing or flooring applications with edges machined to the finest tolerance for a perfect fit and faces calibrated to a standard finished thickness. Builders put a new flat roof on the extension to my house in glossop in march 2011 he guaranteed the roof against leaks for 10.

Sterling board is resistant to water with the osb3 option being particularly suitable for humid conditions. Pitched roof cold warm sarking bracing flat roofs cold deck warm deck sandwich warm deck inverted roof cassettes and dormer windows. Osb3 18mm t g is suitable for load bearing roofing and flooring applications in humid conditions service class 1 2. Oriented strand board isn t plywood nor is it a type of particleboard fiberboard or wafer board and although it is a newcomer to a plywood.

We have the right sized osb3 board for almost every job. Tiled pitched roof with velux or flat roof with pyramid lantern. A good alternative to ply wood and usually cheaper we stock osb3 board in a selection of sizes. Osb roof panels should always be installed with the grade stamp facing into the attic and the screened surface with the nail guide lines facing up.

Hi our existing extension is 4 2m by 4 8m. When the grade stamp is covered by roofing the building inspector will not be able to confirm that the correct osb roofing panel was used.