Old Roofing Felt

Roofing underlayment or felt provides an extra weather barrier in case of blowoffs or water penetration through the roofing or flashings.

Old roofing felt.

Roofing felt isn t always necessary when using shingles. The home we re buying has two layers of composition shingles and the seller assures us that the new layer is only 1 year old. Asbestos flooring felt is one of the few asbestos products completely banned in the u s and regulations now require other products to contain less than one percent asbestos. Remove old felt from the roof with your hands and a putty knife.

For more than 25 years organizations such as the national roofing contractors association nrca and the canadian asphalt shingle manufacturer s association casma have included roofing felt in their roofing and waterproofing recommendations. However old asbestos felt remains in the floors and roofs of millions of american buildings constructed between 1900 and 1980. And one of them is their 30rf standard roofing felt which has a few distinct features up its sleeve. Roofing underlayment or felt protects the roof deck from rain before the roofing is installed.

It is also a requirement under many building codes. It s created by saturating paper or fiberglass mat with asphalt. He took the shingles off and the felt paper is still intact. Felt roofing underlayment is typically available in two types.

Item 656632 model 0903000. For starters it s a bit on the thicker side. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Grab loose pieces of felt and pull them off the roof with your hands.

Oh you should put new felt paper on. Before oct2007 we never tore off the exisiting felt unless it was crumbling apart or there was rotten wood to be replaced. Felt roofing underlayment is one of the oldest types of roofing underlayment. No 15 felt and no.

Plus water has to ruin the felt before it ruins the wood and is easy to see. Pull out nails that are holding felt to the roof using the sharp end of a claw hammer. Apply pressure and chisel away at it until it comes loose. And that s actually better when you re dealing with old roofing as it adds an extra layer of weather proofing overall.

We got a email this week from darryl up in crosby. He says he s re roofing an old house. Roofing underlayment or felt protects the roofing from any resins that bleed out of the sheathing. He s wondering can you just go ahead and shingle over that or should you replace the underlayment.