Old Roofing Felt

Tearing off an old roof is a big job but if you invest in a few specialty tools line up a crew and a trash container and get your ducks in a row ahead of time the work will go much faster.

Old roofing felt.

And one of them is their 30rf standard roofing felt which has a few distinct features up its sleeve. 30 felt is typically thicker stronger and may be less prone to tearing or. Item 656632 model 0903000. Actually i attended a roof seminar 10 yrs ago or so and they stressed removing the old felt their theory was the old felt acts like a dry sponge and removes the good properties from the new application.

Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Im not sure i buy into this thinking the whole way. No 15 felt and no. 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.

It s created by saturating paper or fiberglass mat with asphalt. Pull out nails that are holding felt to the roof using the sharp end of a claw. Builders commonly used asbestos felt as a floor backing and roofing material during much of the 20th century. You ll most likely be required to obtain a building permit so visit the building inspector before the job starts.

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. And that s actually better when you re dealing with old roofing as it adds an extra layer of weather proofing overall. For pieces that aren t coming loose press a putty knife underneath it. Many tradesmen suffered high levels of toxic exposure when working with asbestos felt in the past and it can lead to serious long term health consequences when it is uncovered in old buildings.

Felt roofing underlayment is one of the oldest types of roofing underlayment. Apply pressure and chisel away at it until it comes loose. For starters it s a bit on the thicker side. Remove old felt from the roof with your hands and a putty knife.

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.