How To Construct A Warm Flat Roof

This is where the roof insulation sits directly on top of the timber structure thus keeping it warm and then the roofing membrane is laid over the insulation.

How to construct a warm flat 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. The recognised flat roof build ups for best design practices are. A warm flat roof is formed by placing a layer of insulation over the top of the roof structure. 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.

In terms of the thermal design of a flat roof what are the options and the best practices of flat roof build ups. It is then brushed over to secure its position. 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. A cold roof places the insulation between the rafters underneath the ply roof covering.

A modern version of traditional felt roofing this is possibly the most commonly used on flat roofs. In the case of a flat roof insulation is usually either a rigid board above the deck or a mineral glass wool quilt immediately. There are several methods and materials for the design of the exterior surface of a warm or cold flat roof. The cheapest and simplest solution is to construct a warm roof.

Of course you don t need to live in a modern house to deal with a flat roof. Warm deck flat roofs can be constructed on most modern construction material types such as concrete timber and timber based sheets. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Types of flat roof construction warm and cold flat roofs.