Flat Warm Roof Design

Steve from london flat roofingexplains how warm flat roof construction works in this excellent short video.

Flat warm roof design. In the case of a flat roof insulation is usually either a rigid board above the deck or a mineral glass wool quilt immediately above the underdrawn ceiling depending on the type of roof design and construction. Warm roof on flat roofs a warm roof is one in which the insulation layer is laid on top of roof structure. Flat roof construction can come in the form of a warm roof or cold roof depending on the requirement of the owner and architect as they relate to the building regulations regarding heat loss and insulation. Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board.

Due to the insulation being over the top of the roof the timber structure beneath is warm which is why the term warm roof is formed. From there the flat roof system you choose will determine the materials you apply. This results in the structural deck and its supports being at a temperature closer to that of the building s interior. There are several methods and materials for the design of the exterior surface of a warm or cold flat roof.

The recognised flat roof build ups for best design practices are. Main features warm flat roof design first off the warm flat roof design is an extremely basic direct and utilitarian design every single current trademark. In terms of the thermal design of a flat roof what are the options and the best practices of flat roof build ups. A warm flat roof is formed by placing a layer of insulation over the top of the roof structure.