Old Roofing Felt

And one of them is their 30rf standard roofing felt which has a few distinct features up its sleeve.

Old roofing felt.

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. Grab loose pieces of felt and pull them off the roof with your hands. Felt roofing underlayment is one of the oldest types of roofing underlayment.

Felt roofing underlayment is typically available in two types. 30 felt is typically thicker stronger and may be less prone to tearing or. 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.

Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. No 15 felt and no. It s created by saturating paper or fiberglass mat with asphalt. For starters it s a bit on the thicker side.

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. 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. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. 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.

You ll most likely be required to obtain a building permit so visit the building inspector before the job starts. 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. 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. Im not sure i buy into this thinking the whole way.

Apply pressure and chisel away at it until it comes loose.