Most flat roofs are typically not as long lasting or durable as sloped ones because the latter shed snow and rain a lot quicker.
How strong are flat 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.
Flat roofing is not actually flat.
There are two types of flat roof.
Cold roofs and warm roofs.
As opposed to old built up felt roofing with joins new single ply waterproof membranes are now most commonly used.
However over the last few decades new and advanced materials have been developed.
Your building receives excellent protection from damaging uv rays.
Again it all comes down to the fact that they are less resistant to the elements.
With modern technology and improved materials this isn t as huge of a problem as it used to be but flat roofs do tend to last five or ten years less than sloped roofs made of similar materials.
Having a smaller surface area flat roofs require less material and are usually stronger than pitched roofs.
Bur roofing materials for flat roofs last up to 15 years without showing signs of damage.
It has a very low slope between 1 4 to 1 2 inch per foot so that it drains water.