Installing Breathable Roofing Felt

Never install the felt vertically across your roof.

Installing breathable roofing felt.

Starting a roof with tarpaper felt. Installing roof felt is a two person job. Fasten drip edge on eaves with. This will create a secondary water resistant barrier.

Where a roof includes valleys ensure the breather membrane is extended by a minimum of 300mm on each side measured from the centre of the valley. If you get to the end of a roll and need to begin a new roll make sure the edge of your new roll overlaps the edge of the old roll around 4 inches. Hang the lower edge of the felt over the eave the part of the roof that meets or overhangs the shed s walls by about 0 5 to 0 75 inches 1 3 to 1 9 cm. Taking the time to properly prepare the sheathing will make all the difference in how quickly and easily the felt paper is installed.

At abutments turn the underlay up by at least 100mm. Nail metal drip edge flashing which bends over the roof and down the edge of the facing board on all roof edges. As you install your first layer of roofing felt make sure it hangs over your eave by about 6 inches. Setting the roll and then nailing off.

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. Here at roofing superstore we have a number of breathable roof membranes available for your latest roofing project from tyvek supro breather membrane to cromar s breathable membrane tlx breathable pitched roofing felt klober permo and more. Continue to lay your roofing felt onto your roof and secure it without any bubbles or wrinkles. This video walks through the very basic steps for installing tarpaper felt.

If you have any queries or project specific questions feel free to call our team on 01752 692760 or use the live chat in the bottom right hand. Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe.