Old Roofing Felt

For starters it s a bit on the thicker side.

Old roofing felt. 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. Grab loose pieces of felt and pull them off the roof with your hands. 30 felt is typically thicker stronger and may be less prone to tearing or.

Before you reshingle a roof read our step by step guide for adding new shingles over old ones. It s created by saturating paper or fiberglass mat with asphalt. Felt roofing underlayment is typically available in two types. Item 656632 model 0903000.

For pieces that aren t coming loose press a putty knife underneath it. And one of them is their 30rf standard roofing felt which has a few distinct features up its sleeve. You ll most likely be required to obtain a building permit so visit the building inspector before the job starts. And that s actually better when you re dealing with old roofing as it adds an extra layer of weather proofing overall.

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. Felt roofing underlayment is one of the oldest types of roofing underlayment. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Remove old felt from the roof with your hands and a putty knife.

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