Celotex Warm Roof Construction Details

Product name thickness range sizes lambda bba.

Celotex warm roof construction details.

In the opinion of celotex a hybrid solution presents an unacceptable risk of harmful condensation and should be avoided by building designers. Saint gobain construction products uk limited trading as celotex registered in england. Lady lane industrial estate hadleigh ipswich suffolk ip7 6ba. Width 1200mm length 2400mm.

Tel 44 0 1473 822093. Hopefully this video will help explain the difference between warm flat roof construction and cold flat roof construction. If the roof has insulation over the joists warm roof construction and you choose to insulate the underside of the joists steps would need to be taken to make sure that the required ventilation. For all updates and celotex announcements since june 2017 please see the links below.

The roof will need to be checked to see if there is any insulation either within the joists or on top of the joists as a warm roof construction. This video shows detailed drawing. Another key advantage of specifying a pitched roof is the ability to provide a very high level of thermal performance in these roof types whether you re looking to insulate at joist ceiling level for a cold pitched roof or at rafter level if a living area within a warm roof construction is desired. Width 1200mm length 2400mm.

Insulation uk polyisocyanurate pir foam boards are lightweight. A warm roof does not need cross ventilation and lends itself to better detailing at junctions with other elements to address linear thermal bridging. We would like to show you a description here but the site won t allow us. These boards offer a quick and easy way to achieve effective thermally insulated flat roof decks for building structures such as small extensions or garage roofs where there will only be occasional traffic.

A warm roof design with the insulation laid over the structural timbers remains the preferred option to a cold roof design.