Old Roofing Felt

Plus water has to ruin the felt before it ruins the wood and is easy to see.

Old roofing felt.

Roofing underlayment or felt protects the roofing from any resins that bleed out of the sheathing. And one of them is their 30rf standard roofing felt which has a few distinct features up its sleeve. We got a email this week from darryl up in crosby. No 15 felt and no.

He took the shingles off and the felt paper is still intact. It would be crazy to try to save that old felt paper. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. 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.

Before oct2007 we never tore off the exisiting felt unless it was crumbling apart or there was rotten wood to be replaced. Roofing underlayment or felt protects the roof deck from rain before the roofing is installed. And that s actually better when you re dealing with old roofing as it adds an extra layer of weather proofing overall. 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.

Pull out nails that are holding felt to the roof using the sharp end of a claw hammer. Oh you should put new felt paper on. He s wondering can you just go ahead and shingle over that or should you replace the underlayment. Felt roofing underlayment is one of the oldest types of roofing underlayment.

Roofing felt isn t always necessary when using shingles. He says he s re roofing an old house. 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. It is also a requirement under many building codes.

However old asbestos felt remains in the floors and roofs of millions of american buildings constructed between 1900 and 1980. As previously mentioned roofers know where the rotten wood is even before the shingles are touched. Roofing underlayment or felt provides an extra weather barrier in case of blowoffs or water penetration through the roofing or flashings. Grab loose pieces of felt and pull them off the roof with your hands.

For starters it s a bit on the thicker side. It s created by saturating paper or fiberglass mat with asphalt. Remove old felt from the roof with your hands and a putty knife. For pieces that aren t coming loose press a putty knife underneath it.