How To Use Torch On Roofing Felt

You will also find liquid primers.

How to use torch on roofing felt. Two layer torch down roofing may cost less. 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. As it is rolled out the roofing professional will use a torch to heat the bottom of the cap to the top of the base sheet. When the two layers are pressed together they form a seal.

Use a 4 inch 10 cm paintbrush or a roller to apply the paint or primer. There are two different types of torch down roofing systems. Drag it gently from one end of the roof to the other east to west or west to east. Apply waterproof paint or primer to promote felt attachment.

A two layer torch down roof consists of one base sheet and one smooth cap sheet. Some roofing felts are actually glued down. In a two layer torch down roof the system is complete at this point. These applications are ideal for flat roofs or protective surfaces under roof level decks.

Torch on roofing or torch down roofing as it is also known is a flat roof covering solution that involves three layers of modified bitumen felt melt welded onto the roof surface and each other with the use of a blowtorch to create an impenetrable waterproof seal. Begin at the bottom working in horizontal lines and gradually moving upward. Make sure you choose something compatible with torch down roofing. To apply the primer hold the spray nozzle about 6 in 15 cm above the flashing.

A three layer torch down roof features the same base and cap sheets as well as an additional cap sheet with a granulated surface. Installing the roofing felt does take care but can go very quickly. Move the nozzle across the flashing to coat them in an even opaque layer of primer. Two layer and three layer torch down roof systems.