Torch On Felt Roofing Instructions

These are the steps your roofing contractor will take to install your torch down roof.

Torch on felt roofing 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. When the two layers are pressed together they form a seal. If not a third layer with granules is applied in the same way. Laying the second boded underlay felt and adding any gutter drips.

The basics of these steps are. The correct process for a built up torch on felt system should comprise of 3 layers one base layer manually fixed to the roof usually nailed followed by one torch on underlay with the top finished with a torch on mineral cap layer. At the gutter edge should be what s known as a welted drip edge. You will need to use your gloves and boots on occasion to roll or press down on the bitumen sheets as they bubble.

Installing the roofing felt does take care but can go very quickly. Choose heat resistant gloves and boots made of a material like kevlar. Preparing the roof for the felt to be laid. 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.

Installing the torch down roofing involves flames and melted asphalt. Insulation is especially important in colder climates but it s an essential part of any flat or low sloped roof. Roofing torches are usually fitted with a long enough neck to allow the user to stand up straight whilst applying flame to the roof. Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed.

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. Lay down a moisture barrier. Laying the top bonded layer of felt. Also cover up with long sleeved clothing to reduce the chances of an accident.

In a two layer torch down roof the system is complete at this point. Installing any verge edge and edging to any flashings and vertical walls. Install the overlay.