Torch On Roofing Felt Instructions

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.

Torch on roofing felt instructions.

Some roofing felts are actually glued down. Watch this video if you want to learn how to use a propane torch on a flat roof. Torch down roofing comes in the form of rolled sheets. Torch on felt needs a wide column of flame so the torch should be fitted with a large burner most torches sold for roofing come with a 50mm bell.

When laying this layer avoid having joints in the felt at the same place as on the first layer so it can be best to start sizing with a half width of a roll to achieve this. You will also find liquid primers. Installing the roofing felt does take care but can go very quickly. These applications are ideal for flat roofs or protective surfaces under roof level decks.

What is torch on roofing felt. Start the roof felt at one bottom corner of the roof. 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.

Roofing torches are usually fitted with a long enough neck to allow the user to stand up straight whilst applying flame to the roof. Tack it in place at the corner with the end flush with the end of the roof and the bottom edge of the roll right along the bottom of the roof. This will help you get started and you will also learn some tricks. In a two layer torch down roof the system is complete at this point.

Move the nozzle across the flashing to coat them in an even opaque layer of primer. If not a third layer with granules is applied in the same way. Your roofing contractor will unroll each sheet individually during the installation process two sheets for two layer three sheets for three layer. Check the label on the primer before purchasing it.

To apply the primer hold the spray nozzle about 6 in 15 cm above the flashing. Make sure you choose something compatible with torch down roofing. Each sheet of torch down roofing material consists of multiple membranes stacked and adhered together.