Use a 4 inch 10 cm paintbrush or a roller to apply the paint or primer.
How to use torch on roofing felt.
In a two layer torch down roof the system is complete at this point.
Begin at the bottom working in horizontal lines and gradually moving upward.
Installing the roofing felt does take care but can go very quickly.
Some roofing felts are actually glued down.
At the gutter edge should be what s known as a welted drip edge.
Move the nozzle across the flashing to coat them in an even opaque layer of primer.
These applications are ideal for flat roofs or protective surfaces under roof level decks.
Drag it gently from one end of the roof to the other east to west or west to east.
When the two layers are pressed together they form a seal.
You will also find liquid primers.
The top membrane sheet to a torch down roofing system is a smooth cap sheet.
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.
Two layer and three layer torch down roof systems.
There are two different types of torch down roofing systems.
A two layer torch down roof consists of one base sheet and one smooth cap sheet.
Apply waterproof paint or primer to promote felt attachment.
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.
Two layer torch down roofing may cost less.