Flat Warm Roof Construction Detail

A flat roof must be strong durable and stable throughout its lifetime.

Flat warm roof construction detail.

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. Types of flat roof construction warm and cold flat roofs. A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less. They can be built up from profiled metal decks as the insulation selected would provide enough rigidity to span the open sections of such decks.

It is the most acceptable type of construction for domestic possessions and belongings as it avoids the need for aeration of the roof construction. Warm cold and inverted. 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. Flat roof details and information relating to insulating a flat roof.

Details both in 2d and 3d to give a clear understanding. There are three recognised designs of flat roof construction. It must provide adequate protection against the elements keeping the buildings structure and interior dry. In a warm flat roof construction the insulation is positioned above the structural deck and no ventilation is required.

Having a manual for warm flat roof construction with details and a summary of rules to follow helps. This is placed over the. Depending on the type of roof you are considering here s some technical details you may find useful. Flat roof design guide.

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. In case of warm roofs they have an insulation above the roof deck in this way it keeps the deck warm. Warm roof build ups can be installed on most modern construction material types such as concrete timber and timber based sheets. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls.

Flat roof construction can come in the form of a warm roof or cold roof depending on the requirement of the owner and architect as they relate to the building regulations regarding heat loss and insulation. 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. The construction of the flat roof is similar to that of the timber upper floor. Warm roof systems.

This usually keeps the deck warm. For additional stability you can also use steel joists that are built into one or both of the walls.