Warm Deck Flat Roof Design

Traditionally flat roofs simply consisted of a structural timber deck with a waterproof covering directly applied to the top of the deck.

Warm deck flat roof design.

This is as opposed to a cold roof in which the insulation is below or within the roof. This is why warm flat roof designs are commonly regarded as the preferred and more effective 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. So called because the insulating layer is located above the roof rafters and between the structural supports a warm deck roof results in a temperature for the roof and loft area that is consistent with the rest of the.

It is most important to note the vapour barrier must be a continuous vapour barrier with no puncture points. Where a cold flat roof does incorporate insulation this is in the form of mineral wool. This design dates back many years and flat roof insulation was somewhat of an afterthought with this type of roof. Warm flat roof designs.

In the case of a flat roof insulation is usually in the form of either a rigid board above the deck or a fibrous quilt immediately above the ceiling depending on the type of roof construction. The recognised flat roof build ups for best design practices are. This results in the structural deck and its supports being at a temperature closer to that of the building s interior. Warm cold and inverted.

Warm roof designing buildings wiki share your construction industry knowledge. The warm deck roof design is the modern method for flat roof construction and is preferred wherever this option is possible. In this article we discuss the pros and cons of both roof designs.