Warm Roof Construction Flat Roof Details

Warm roof systems.

Warm roof construction flat roof details.

Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. There are several methods and materials for the design of the exterior surface of a warm or cold flat roof. 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. Details both in 2d and 3d to give a clear understanding.

There are two forms of warm deck roof. Types of warm deck roof. It is the most acceptable type of construction for domestic possessions and belongings as it avoids the need for aeration of the roof construction. The 3 most common materials used for flat roof construction.

Flat roof design guide. 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. Flat roof details and information relating to insulating a flat roof.

This usually keeps the deck warm. 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. Others would treat even steeper pitches as flat roofs. The construction of the flat roof is similar to that of the timber upper floor.

Warm cold and inverted. Hot tar and gravel. The sandwich warm deck roof is the most common type of flat roof. Nhbc recommend that this type of roof be considered as the standard form of construction.

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. Hopefully this video will help explain the difference between warm flat roof construction and cold flat roof construction. Warm roof build ups can be installed on most modern construction material types such as concrete timber and timber based sheets. There are three recognised designs of flat roof construction.

For that reason cold flat roof construction needs to keep in mind the need for unblocked airflow. In case of warm roofs they have an insulation above the roof deck in this way it keeps the deck warm.