Always applied to a polyroof approved osb3 or plywood deck the system carries a 30 year durability rating and provides an exceptionally tough and hard wearing membrane.
Fibreglass warm roof detail.
For listed buildings topseal can also be used to simulate rolled joints without seams.
The first thing to consider when installing a grp fibreglass roof is the weather.
Warm roof to hot service penetration.
Warm roof to outlet with sump gutter.
Warm roof to coated metal drip edge.
Warm flat roof detail felt covering.
2 50 vat add to basket includes dxf dwg and jpeg.
The layer of insulation is essentially placed outside of the roof.
Warm roof to service penetration with pipe boot.
If insulation is installed below the flat roof deck this is called a cold roof.
Topseal fibreglass roofing system is used extensively as a lead copper replacement or alternative for roofs gutter linings and complex architectural detail work.
This video will demonstrate how to install a cure it grp waterproofing system in a warm roof build up.
The flat roof covering can also be fibreglass.
More detail drawings here.
This system is called warm deck insulation and eradicates the condensation and venting issues associated with the cold deck system.
Warm roof to outlet.
Fibreglass roofs are maintenance free and can be finished with either a smooth or non slip finish it s the perfect replacement for bitumen felt lead and zinc roofs.
Cold roofs a note to consider before construction.
How to install grp fibreglass roofing.
Warm roof to cable duct.
The fibreglass is made from a mixed resin and hardener which is painted onto a mesh mat which then hardens to form a fully waterproof surface.
While it has been around in one form or another since the 40s and 50s the modern version is far superior and used throughout the construction industry.
Generally roofers discourage this method for cold climates because it can promote condensation and requires ventilating the roof which may be difficult to do in small or tight spaces.
Therefore water vapour which enters the roof structure.
Warm deck insulation now there is a better form of insulation available for your flat roof.
Polyroof 185 was the first ever fibreglass system to receive bba certification and has been installed on roofs and balconies since 1984.