Warm Flat Roof Design

Warm cold and inverted.

Warm flat roof design.

Zero ventilation space is required and the construction appears stacked and compact. This is as opposed to a cold roof in which the insulation is below or within the roof. There are design differences for each type. There is a wide variety of flat roof materials available each with its own advantages and drawbacks.

The recognised flat roof build ups for best design practices are. Here is a diagram of a typical warm roof. The warm deck roof design is the modern method for flat roof construction and is preferred wherever this option is possible. 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.

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. The major difference between the warm flat roof and the cold flat roof has to do with the air flow between the roofing timbers known as joists that help to hold up the roof. Cold roof warm roof inverted roof. To put together a warm deck roof it s important that the insulation be positioned above the structural deck the layers that make up the ceiling.

Flat roof designs for houses. There are three recognised designs of flat roof construction. A flat roof must be strong durable and stable throughout its lifetime. Flat roof design guide.

Warm roof designing buildings wiki share your construction industry knowledge. It must provide adequate protection against the elements keeping the buildings structure and interior dry. Flat roof types. Nowhere does it support the design and construction of hybrid roofs.

On flat roofs a warm roof is one in which the insulation layer is laid on top of roof structure. This results in the structural deck and its supports being at a temperature closer to that of the building s interior. Designers should therefore take a cautious approach and adopt fail safe solutions. In this article we discuss the pros and cons of both roof designs.

To that end the standard lists three acceptable scenarios for the placement of flat roof insulation. In the case of a flat roof insulation is usually either a rigid board above the deck or a mineral glass wool quilt immediately. Warm flat roof designs. The following outlines ways to build protect and reinforce your roof.

It is most important to note the vapour barrier must be a continuous vapour barrier with no puncture points. A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less. In terms of the thermal design of a flat roof what are the options and the best practices of flat roof build ups.