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How to lay torch on roofing felt.
Check the label on the primer before purchasing it.
Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed.
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.
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.
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You will also find liquid primers.
Applying a iko 2mm torch on underlay followed by a iko 4mm mineral felt cap sheet www topgraderoofing ie.
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.
When considering how to felt a roof torch on felt the second layer is also an underlay felt but is bonded to the first layer with adhesive.
To apply the primer hold the spray nozzle about 6 in 15 cm above the flashing.
Installing the roofing felt does take care but can go very quickly.
How to torch a roof.