Flat Warm Roof Construction Detail

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 warm roof construction detail.

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. This usually keeps the deck warm. This is placed over the. Flat roof design guide.

Having a manual for warm flat roof construction with details and a summary of rules to follow helps. Warm roof build ups can be installed on most modern construction material types such as concrete timber and timber based sheets. 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. Flat roof details and information relating to insulating a flat roof.

In a warm flat roof construction the insulation is positioned above the structural deck and no ventilation is required. Types of flat roof construction warm and cold 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. Flat roof types.

Warm roof systems. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less. Warm cold and inverted.

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. There are three recognised designs of flat roof construction. For additional stability you can also use steel joists that are built into one or both of the walls. In case of warm roofs they have an insulation above the roof deck in this way it keeps the deck warm.

The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. Details both in 2d and 3d to give a clear understanding. Depending on the type of roof you are considering here s some technical details you may find useful. The construction of the flat roof is similar to that of the timber upper floor.

It must provide adequate protection against the elements keeping the buildings structure and interior dry. It is the most acceptable type of construction for domestic possessions and belongings as it avoids the need for aeration of the roof construction.