Warm Deck Flat Roof Detail

There are two forms of warm deck roof.

Warm deck flat roof detail.

Depending on the type of roof you are considering here s some technical details you may find useful. 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. Types of warm deck roof. 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.

Flat roof details and information relating to insulating a flat roof. When building a flat roof it is vital that a degree of falls is built into the construction to ensure rainwater run off. The definition of a flat roof according to bs 6229 is having a pitch less than 10 o to the horizontal however some in the industry would consider up to 15 o as their definition of a flat roof. This enables the temperature of the structure and the deck to be kept close to the temperature of the inside of.

A 50mm air gap must be left. This is placed over the. Inverted warm deck roof. Warm roof deck sandwich roof warm roof systems benefit from the insulation sitting above the deck.

This option avoids the requirement to ventilate the roof. So what is warm flat roof construction. This approach uses insulation with no air gap either immediately above or below the roof deck. The sandwich warm deck roof is the most common type of flat roof.

The recognised flat roof build ups for best design practices are. A vapour control layer must be used below the insulation. In terms of the thermal design of a flat roof what are the options and the best practices of flat roof build ups. This is where the insulation is typically packed between the rafters.

The warm deck roof design is the modern method for flat roof construction and is preferred wherever this option is possible. Steve from london flat roofing explains how warm flat 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. Others would treat even steeper pitches as flat roofs.

Flat roof u value 0 18 w m2k 2 warm deck flat roof the type of insulation for this is usually of a rigid type and the thickness will vary depending on the manufacturer s specifications. 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.