How To Use Torch On Roofing Felt

In a two layer torch down roof the system is complete at this point.

How to use torch on roofing felt.

You will also find liquid primers. Drag it gently from one end of the roof to the other east to west or west to east. Move the nozzle across the flashing to coat them in an even opaque layer of primer. Installing the roofing felt does take care but can go very quickly.

Use a 4 inch 10 cm paintbrush or a roller to apply the paint or primer. 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. Begin at the bottom working in horizontal lines and gradually moving upward. 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.

Apply waterproof paint or primer to promote felt attachment. A three layer torch down roof features the same base and cap sheets as well as an additional cap sheet with a granulated surface. To apply the primer hold the spray nozzle about 6 in 15 cm above the flashing. Two layer and three layer torch down roof systems.

These applications are ideal for flat roofs or protective surfaces under roof level decks. 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. Two layer torch down roofing may cost less. Make sure you choose something compatible with torch down roofing.

The top membrane sheet to a torch down roofing system is a smooth cap sheet. When the two layers are pressed together they form a seal. At the gutter edge should be what s known as a welted drip edge. Some roofing felts are actually glued down.