Old Roof Felt

Grab loose pieces of felt and pull them off the roof with your hands.

Old roof felt.

Before you reshingle a roof read our step by step guide for adding new shingles over old ones. I m building an addition to an early 1930s one story home with a hip roof. 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. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.

And one of them is their 30rf standard roofing felt which has a few distinct features up its sleeve. What does this old house do in a situation like this. It s clearly easier and cheaper to leave the old shingles in place but there s some special prep work involved with a re roof removing vents ridge caps and misshapen shingles among other things and you still have to replace or add new flashing which sometimes can be tricky over old roofing. For pieces that aren t coming loose press a putty knife underneath it.

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. I d like to match the new roof to the old one but i can t find a source anywhere. For starters it s a bit on the thicker side. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.

The existing house has a metal tile roof with a stamped pattern. And that s actually better when you re dealing with old roofing as it adds an extra layer of weather proofing overall. But what some may not know is there s another layer of protection directly on top of the roof deck and under the roof covering that performs a critical role in protecting your home from moisture damage. Sources for old roofing products photo by courtesy of anr roofing.

Item 656632 model 0903000. Im not sure i buy into this thinking the whole way. Remove old felt from the roof with your hands and a putty knife. 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. Apply pressure and chisel away at it until it comes loose.