Some people prefer to finish their flat roof with lead flashings instead of grp flashings as a fibreglass roof installer i prefer the look of traditional lead flashings also.
Fibreglass flat roof coverings.
Grp fibreglass has become one of the most popular forms of flat roofing systems because it is not only a strong material but doesn t add too much extra weight to the structure.
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.
A topseal fibreglass roof represents the pinnacle of grp roofing technology guaranteed to last a generation designed to last a life time.
It s commonly seen on smaller flat roofs such as single garages porch roofs and door canopies.
Materials can be cut to the shape of the roof and the appropriate trims used to cover a surface effectively.
One of the benefits is that you can finish with sand and cement and retain the look of a period property for example.
Thus when many people use the term flat roof they are really talking about a rubber roof.
It was first used on flat roofs several decades ago but got an undeserved bad reputation due to poor workmanship and techniques that have now been improved with updated standards.
This material has been used for decades and is often seen on boats.
Grp stands for glass reinforced polyester a composite material formed by strengthening plastic with fine fibres made of glass.
The biggest allure of course is the low up front cost.
The top layer is covered with gravel which protects the roof from ultraviolet rays.
Glass reinforced plastic grp is comprised of polyester resin and chopped strand mat glass fibres which are mixed together to form a laminate.
The epdm roof is now the most common flat roofing system in the u s.
There is a downside to fibreglass unlike bitumen felt it cannot be laid onto old ply or chipboard.
Potential problems with flat roof coverings.
A grp flat roof or fiberglass roof as it s also known is one of the most popular flat roofing solutions in the uk.
Roll asphalt flat roof roll asphalt is made up of layers of asphalt coated fibreglass tar felt and water resistant materials all of which are kept in place with nails or asphalt cement.
Fibreglass is a long lasting tough yet slippery material that has been used as a flat roof covering for decades.
Topseal grp fibreglass flat roofing systems have been installed on millions of square metres of roofs over the last 20 years all over the uk.
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.