Warm Deck Flat Roof Design

In this article we discuss the pros and cons of both roof designs.

Warm deck flat roof design.

There are three recognised designs of flat roof construction. 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. Flat roof design guide.

Where a cold flat roof does incorporate insulation this is in the form of mineral wool. This is why warm flat roof designs are commonly regarded as the preferred and more effective design. The warm deck roof design is the modern method for flat roof construction and is preferred wherever this option is possible. It is most important to note the vapour barrier must be a continuous vapour barrier with no puncture points.

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. On flat roofs a warm roof is one in which the insulation layer is laid on top of roof structure. This is as opposed to a cold roof in which the insulation is below or within the roof. 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. The recognised flat roof build ups for best design practices are. 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.