How Strong Are Flat Roofs

Cold roofs and warm roofs.

How strong are flat roofs.

There are two types of flat roof. As opposed to old built up felt roofing with joins new single ply waterproof membranes are now most commonly used. Your building receives excellent protection from damaging uv rays. Bur roofing materials for flat roofs last up to 15 years without showing signs of damage.

Again it all comes down to the fact that they are less resistant to the elements. Flat roofing is not actually flat. However over the last few decades new and advanced materials have been developed. During these years building owners get the best value for their money.

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. But such a low slope holds snow and water much longer than a steeply pitched roof and therefore needs a very different material to stay watertight. Having a smaller surface area flat roofs require less material and are usually stronger than pitched roofs. A classic flat roof is either almost completely level or has a very slight pitch of 3 in 12 inches or less.

A flat roof is the most cost efficient roof shape as all room space can be used fully below and above the roof.