Flat Roofs Surrey
A flat roof is usually defined as possessing a pitch know greater than 15° to the horizontal. A flat roof would not permit rainwater to drain away, so most flat roofs have a slight fall on them to allow the rainwater freely flow to collection points. While you can have tiled roofs of 10-15° those are actually flat roof systems with a surface covering of tiles.
There are various kinds of roofing materials applied in the waterproofing coating of a flat roof system:
EPDM is a kind of rubber that comes in consecutive sheets. (EPDM stands for Ethylene propylene diene monomer if you are interested in knowing
Roofing felt is a bitumen covered sheet including a mineral covered surface to combine color and display the bitumen with protection from the sun.
Fibre glass is a hard material