Warm Deck Flat Roof Design

This results in the structural deck and its supports being at a temperature closer to that of the building s interior.

Warm deck flat roof design.

Warm flat roof designs. The recognised flat roof build ups for best design practices are. Warm cold and inverted. Warm roof designing buildings wiki share your construction industry knowledge.

The sandwich warm deck roof is the most common type of flat roof. This is as opposed to a cold roof in which the insulation is below or within the roof. The warm deck roof design is the modern method for flat roof construction and is preferred wherever this option is possible. 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.

Throughout the course of the year the roof deck and all below it is kept at a temperature close to that of the inside of the building therefore the roof structure is protected from extremes of hot and cold lessening the. Flat roof design guide. In a warm flat roof construction the insulation is positioned above the structural deck and no ventilation is required. It is most important to note the vapour barrier must be a continuous vapour barrier with no puncture points.

There are three recognised designs of flat roof construction. There are two forms of warm deck roof. Inverted warm deck roof. This is why warm flat roof designs are commonly regarded as the preferred and more effective design.

Types of warm deck roof. 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. 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.

In this article we discuss the pros and cons of both roof designs. Traditionally flat roofs simply consisted of a structural timber deck with a waterproof covering directly applied to the top of the deck.