While felt may be the most traditional form of flat roofing grp glass reinforced plastic fibreglass is now becoming more popular.
Flat roof felt or grp.
The covering which makes them water tight can be achieved using various products with 2 standing out as the industries norm.
Felt is not capable of substantial elongation without failure.
The first being a 3 layer felt systems and second grp glass reinforced plastic.
We all know epdm and grp are two of the fastest flat roof systems on the market today but which is best for your project.
Its unique construction gives it waterproofing properties for one of the most durable flat roofs on the market.
Epdm is highly flexible and can cope with building movement.
Grp is not designed to be capable of any measurable elongation or movement but will withstand normal building movement through expansion and or contraction.
Sleek clean appearance extremely moss resistant.
Given the greatly superior durability of grp roofing to felt systems you might think that a grp flat roof would cost a great deal more.
Know your flat roof systems grp v epdm sterlingbuild 01303 258641.
Grp roofing vs three layer felt system the majority of all loft conversions will have a flat roof constructed to them.
We compare grp and epdm on price installation durability and more.
This is not the case.