Flat Roofing Warm Flat Roof Fascia Detail

The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.

Flat roofing warm flat roof fascia detail.

Front fascia flat roof detail. Details both in 2d and 3d to give a clear understanding. Flat roofs are hard to replace. Front fascia flat roof detail.

So if i make the new roof a warm roof insulation behind the fascia is straightforward if fiddly i just need to persuade the roofer to close and insulate the gaps between joists by taking off the old fascia and inserting. Cold roofs and warm roofs. There are two types of flat roof. Flat roof details and information relating to insulating a flat roof.

Warm flat roofs are very forgiving however if not. Having a manual for warm flat roof construction with details and a summary of rules to follow helps. This could mean flat roofs may not raise the same red flags they used to. But now flat roofs often are constructed with fewer layers because of improved waterproofing technology.

Sketch 1 3 basic design warm and cold roofs householder s guide to flat roofing in a flat roof the waterproofing is always supported by a structural roof deck. Xtratherm manufactures an extensive range of high performance pir flat roof insulation boards that include tapered insulation providing comprehensive technically advanced solutions for all. This is usually a timber boarding of some type which in turn is. Steve from london flat roofing explains how warm flat roof construction works in this excellent short video.

Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs. As the single ply roofing association spra points out this type of flat roofing is strong durable completely sealed and usually lasts at least 25 30 years. The membrane is then attached to the insulation. A typical warm roof is shown in the sketch below.

In this video our principal surveyor steven dickinson explains problems with insulating a roof using the warm and cold roof construction methods. As opposed to old built up felt roofing with joins new single ply waterproof membranes are now most commonly used. For additional stability you can also use steel joists that are built into one or both of the walls. This enables the temperature of the structure and the deck to be kept close to the temperature of the inside of the building hence warm.