How To Use Torch On Roofing Felt

The top membrane sheet to a torch down roofing system is a smooth cap sheet.

How to use torch on roofing felt.

To apply the primer hold the spray nozzle about 6 in 15 cm above the flashing. Drag it gently from one end of the roof to the other east to west or west to east. Installing the roofing felt does take care but can go very quickly. 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.

Make sure you choose something compatible with torch down roofing. It s available in rolls that are 8m long and 1m wide with a thickness of 4 2mm mineral or 3 8mm sand. Begin at the bottom working in horizontal lines and gradually moving upward. Use a 4 inch 10 cm paintbrush or a roller to apply the paint or primer.

You will also find liquid primers. When the two layers are pressed together they form a seal. Apply waterproof paint or primer to promote felt attachment. Anderson tecnatorch sbs torch on mineral felt capsheet is used as the final layer of the felt roofing process.

In a two layer torch down roof the system is complete at this point. 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. Move the nozzle across the flashing to coat them in an even opaque layer of primer. Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed.