Warm Flat Roof Layers

A flat roof is a multi layer construction typically comprising of the following elements.

Warm flat roof layers. Inverted roofs are a type of warm flat roof where the insulation is above the waterproofing layer. Components of a flat roof. Waterproof membrane with a protective covering this should prevent water reaching the roof structure and the room below. Flat roofs are not supposed to be built perfectly flat as bizarre as that may sound.

A bottom layer or two of insulation board multiple intermediate layers of tar or asphalt alternated with layers of roofing felt and a top layer of gravel. Cold roofs have the waterproof layer placed directly onto the roof deck and the insulation inside the roof just above the ceiling. Flat roof components. In this case ventilation is required and the roof can still become wet with condensation which may cause materials to decay.

But now flat roofs often are constructed with fewer layers because of improved waterproofing technology. At roofing superstore our choice of flat roof materials includes everything you need to create a long lasting weather proof flat roof that performs and looks good too. Bur consists of many layers. Vapour control layers vcl.

There are two types of flat roof. Built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed. The best thing you can do to ensure the finished flat roof will last as long as possible is to make sure any rainwater discharges off the roof and into the outlets or gutters without pooling on the surface. This could mean flat roofs may not raise the same red flags they used to.

This means that the insulation should be highly resistant to water absorption for example an extruded polystyrene based product which will not be affected by water or repeated freeze thaw cycles. Flat roofs are hard to replace.