How To Build A Warm Deck Flat Roof

This is as opposed to a cold roof in which the insulation is below or within the roof.

How to build a warm deck flat roof. 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. 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. Pitch roof u value 0 16 w m2k 2 warm deck pitched roof the insulation is placed over the rafters and then a felt is placed on top. In the case of a flat roof insulation is usually either a rigid board above the deck or a mineral glass wool quilt immediately.

This will give additional stability to the 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. Warm roof designing buildings wiki share your construction industry knowledge. In addition you will still need tools such as a measuring tape drill and utility knife along with the following.

The battening and tiling is then fixed down over. This results in the structural deck and its supports being at a temperature closer to that of the building s interior. Types of flat roof construction warm and cold flat roofs. The recognised flat roof build ups for best design practices are.

The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. A warm flat roof is formed by placing a layer of insulation over the top of the roof structure. Warm deck flat roofs can be constructed on most modern construction material types such as concrete timber and timber based sheets. In terms of the thermal design of a flat roof what are the options and the best practices of flat roof build ups.

Constructing a flat roof using epdm. For additional stability you can also use steel joists that are built into one or both of the walls.