Warm Deck Roof Detail

A warm deck roof is where the insulation is placed on top of the rafters joists and the roof covering is then placed over the insulation.

Warm deck roof detail.

There are two forms of warm deck roof. Therefore water vapour which enters the roof structure from the room below will not have a cold surface on which to condense. The insulation is placed below the waterproof covering and is either mechanically fixed or bitumen bonded on to the top of the deck. A warm flat roof or a built up roof bur is one where all the insulation is above the joists deck making them part of the warm fabric of the building.

There is a likelihood that this practice could contribute to a condensation risk and therefore it would be strongly recommended to have a condensation risk. This video will demonstrate how to install a cure it grp waterproofing system in a warm roof build up. 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. In a warm roof construction the principal thermal insulation layer is located above the structural decking resulting in the structural deck and support structure being at a temperature close to that of the interior of the building.

In case of warm roofs they have an insulation above the roof deck in this way it keeps. Construction studies drawing detail showing how to draw a flat roof warm deck construction detail to a scale of 1 10 with a short introduction highlighting t. This usually keeps the deck warm. The warm deck roof design is the modern method for flat roof construction and is preferred wherever this option is possible.

Inverted warm deck roof. The insulation can be adhered mechanically fixed or loose laid. Types of warm deck roof. Warm cold and inverted.

Cold deck roof a cold deck roof is where the insulation is placed between the joists rafters or in. There are three recognised designs of flat roof construction. No ventilation is required for these types of roofs. The sandwich warm deck roof is the most common type of flat roof.

The vapour control layer is above the decking but below the insulation. A warm deck also provides added protection from the dangers of condensation as the structure is kept warm at a temperature above dewpoint by the insulation above it. The insulation is immediately below the waterproofing layer.