Fibreglass Warm Roof Detail

The first thing to consider when installing a grp fibreglass roof is the weather.

Fibreglass warm roof detail.

This video will demonstrate how to install a cure it grp waterproofing system in a warm roof build up. The layer of insulation is essentially placed outside of the roof. Warm roof to parapet outlet. Therefore water vapour which enters the roof structure.

If insulation is installed below the flat roof deck this is called a cold roof. 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. Warm deck insulation now there is a better form of insulation available for your flat roof. How to install grp fibreglass roofing.

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. 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. 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. Warm flat roof detail felt covering.

Warm roof to coated metal drip edge. Warm roof to cable duct. Fibreglass flat roofing also known as grp roofing or glassfibre reinforced plastic roofing. More detail drawings here.

Warm roof to outlet. Warm roof to service penetration with pipe boot. Warm roof to hot service penetration. For listed buildings topseal can also be used to simulate rolled joints without seams.

The flat roof covering can also be fibreglass. Polyroof 185 was the first ever fibreglass system to receive bba certification and has been installed on roofs and balconies since 1984. 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. Cold roofs a note to consider before construction.

A warm deck also provides added protection from the dangers of condensation as the structure is kept warm at a temperature above dewpoint by the insulation above it. 2 50 vat add to basket includes dxf dwg and jpeg.