How To Use Torch On Roofing Felt

Make sure you choose something compatible with torch down roofing.

How to use torch on roofing felt.

Use a 4 inch 10 cm paintbrush or a roller to apply the paint or primer. Apply waterproof paint or primer to promote felt attachment. You will also find liquid primers. 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.

It s available in rolls that are 8m long and 1m wide with a thickness of 4 2mm mineral or 3 8mm sand. Installing the roofing felt does take care but can go very quickly. Anderson tecnatorch sbs torch on mineral felt capsheet is used as the final layer of the felt roofing process. Move the nozzle across the flashing to coat them in an even opaque layer of primer.

When the two layers are pressed together they form a seal. 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. In a two layer torch down roof the system is complete at this point.

Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed. 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. 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.