How To Construct A Warm Flat Roof

As it s laid down across the surface a hot torch creates a flame to mould the material with the adhesive underneath.

How to construct a warm flat roof. A warm flat roof is formed by placing a layer of insulation over the top of the roof structure. It is then brushed over to secure its position. The cheapest and simplest solution is to construct a warm roof. There are several methods and materials for the design of the exterior surface of a warm or cold flat roof.

A modern version of traditional felt roofing this is possibly the most commonly used on flat roofs. 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. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. To use epdm for a warm deck flat roof construction solid closed cell roof insulation such as kingspan or celotex should be placed on top of the roof deck rather than in between the rafters.

Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Hot tar and gravel also known as the built up roof bur this type of flat roof features three or more layers of waterproof material mixed in an alternating fashion with hot tar and a layer of smooth stone like gravel. A cold roof places the insulation between the rafters underneath the ply roof covering. 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.

In terms of the thermal design of a flat roof what are the options and the best practices of flat roof build ups. Of course you don t need to live in a modern house to deal with a flat roof. The recognised flat roof build ups for best design practices are. Types of flat roof construction warm and cold flat roofs.