Grp roofing vs three layer felt system the majority of all loft conversions will have a flat roof constructed to them.
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.
Although grp is pricier than felt or epdm rubber roofing systems when you factor in this impressive longevity along with the lack of maintenance needed resistance to all weather and attractive laminated finish fibreglass roofs can be worth every penny.
Grp is not designed to be capable of any measurable elongation or movement but will withstand normal building movement through expansion and or contraction.
Its unique construction gives it waterproofing properties for one of the most durable flat roofs on the market.
Sleek clean appearance extremely moss resistant.
The first being a 3 layer felt systems and second grp glass reinforced plastic.
We compare grp and epdm on price installation durability and more.
Know your flat roof systems grp v epdm sterlingbuild 01303 258641.
Epdm is highly flexible and can cope with building movement.
While felt may be the most traditional form of flat roofing grp glass reinforced plastic fibreglass is now becoming more popular.
This material consists of a layer of polyester resin which is reinforced with glass fibres to form a laminated layer.
Grp fibreglass flat roofs.
This is not the case.