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MJA Roofing:: Roofer and Roofing Services in St Neots, Huntingdon, St Ives, Ramsey,  Peterborough, BedfordCambridgeshire and Bedfordshire
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Flat Roofing Webpage
What is Flat Roofing?
A flat roof is a roofing system that is a horizontal as opposed to sloped roof.
The roof should have a slight incline to allow water run off. Typically flat roofs
Consist of tar or bitumen with gravel or shingle. On top of a membrane or felt

What can go wrong on a Flat Roof?
You can end up with pooling of water and subsequent sagging. The coating can also crack in colder climates. They
Are very sensitive to human traffic and the slightest crack can lead to a leaking roof. Flat roofs can also blister or

Maintenance of a flat roof
Check your flat roof biannually and remove any ponding water within 48 hours and after major storms. Clear out
Drains or guttering to reduce dead weight and stop pools of water.

Types of Flat Roof
Asphalt Built Up Roof - The most common type of flat roof is the asphalt built up roof (BUR). It is made up of
multiple layers of reinforcing plies and asphalt.
Turbo Seal - Self healing gel like membrane that never cures. Made of 45% recycled tire rubber, it goes on top
of existing tar roofs then capped with a sheet membrane.
CSPE - Chlorosulfonated Polyethylene is a synthetic rubber roof. It is more popularly known as Hypalon.
EPDM - Ethylene Propylene Diene Monomer.
Modified Bitumen
Cold applied liquid membranes - An increasingly popular choice for new roofs and roof refurbishment.
No open flames or other heat sources are needed and the glassfibre reinforced systems provide seamless waterproofing
round roof protrusions and details. Systems are based on flexible thermoset resin systems such as polyester and polyurethane.
PVC - Polyvinyl Choride
TPO - Thermoplastic Polyolefin
Curon - Cold-curing glass-reinforced polymer composite.
IB Roof - IB is simply one manufacturer of Seamless modern membrane roof systems. (Source: Wikipedia)
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