How To Apply Torch On Roofing Felt

Torch down roofing consists of modified bitumen which is similar to asphalt.

How to apply torch on roofing felt. Torch on roofing felt is known as one of the quickest and most reliable flat roof installations readily available in the uk and has become a popular system for these reasons. These thick layers of roofing felt are installed by heating the back of the felt with a butane torch and then carefully applying it to the roof. Applying a iko 2mm torch on underlay followed by a iko 4mm mineral felt cap sheet www topgraderoofing ie. Installing the roofing felt does take care but can go very quickly.

Cover all nail heads with roofing mastic for long term roofing. Apply the bitumen by melting it over fiberglass. Hold the gun at a 45 degree angle with the nozzle pointed downwards. This will help you get started and you will also learn some tricks.

These applications are ideal for flat roofs or protective surfaces under roof level decks. The correct process for a built up torch on felt system should comprise of 3 layers one base layer manually fixed to the roof usually nailed followed by one torch on underlay with the top finished with a torch on mineral cap layer. Watch this video if you want to learn how to use a propane torch on a flat roof. If this felt is more than a temporary waterproofing measure apply roofing mastic using a caulking gun.

As long as it is installed correctly bitumen prevents moisture build up without needing constant maintenance. Pull the trigger of the gun and move the nozzle around the circumference of each nail.