Flat Roof Grp Or Felt

This can include epdm rubber and fibreglass talked about above but commonly especially in the trade and in this article it refers to pvc tpo tpe and pib.

Flat roof grp or felt.

This kind of peace of mind is hard to put a price on. While felt may be the most traditional form of flat roofing grp glass reinforced plastic fibreglass is now becoming more popular. Grp is a very tough material that can withstand falling branches or a dislodged tile slate falling off main pitched roof onto your new extension flat roof unlike felt or epmd. Grp roofing vs three layer felt system the majority of all loft conversions will have a flat roof constructed to them.

Felt and grp fibreglass roofing systems are the most popular systems for flat roofs. This is not the case. This means that over the years the chances of repairs are lessened and in turn more money will be saved. In short any roof covering that can make a flat roof waterproof in one layer unlike roofing felt with its 3 layer system for instance.

This material consists of a layer of polyester resin which is reinforced with glass fibres to form a laminated layer. The covering which makes them water tight can be achieved using various products with 2 standing out as the industries norm. Epdm is the more affordable option out of the two and has an average price similar to that of a felt roof system. I would recommend using grp system for flat roof as it s a more robust material compared to felt or epmd rubber.

Flat roofs for instance contained both felt and lead. Felt is not capable of substantial elongation without failure. Grp fibreglass flat roofs. Sleek clean appearance extremely moss resistant.

Its unique construction gives it waterproofing properties for one of the most durable flat roofs on the market. They lasted a long time and were attractive to the eye but their performance was questionable. Grp roofs are less prone to damage than felt roofs and epdm roofs too. The first being a 3 layer felt systems and second grp glass reinforced plastic.

They are also suitable for pitched roofs in some applications. Epdm is highly flexible and can cope with building movement. 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.

As a result a felt roof would typically only last 5 years or less. Felt is a cheaper material fibreglass is more expensive.