Old Roof Felt

What does this old house do in a situation like this.

Old roof felt.

It is also a requirement under many building codes. No 15 felt and no. Item 656632 model 0903000. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.

As mentioned if you are replacing a roof the felt is likely to come off as part of the strip off. Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer. Felt is often used on wood shingle shake roofs and there is quite a bit of overlap. I d like to match the new roof to the old one but i can t find a source anywhere.

Sources for old roofing products photo by courtesy of anr roofing. I m building an addition to an early 1930s one story home with a hip roof. It s created by saturating paper or fiberglass mat with asphalt. Roofing felt isn t always necessary when using shingles.

The existing house has a metal tile roof with a stamped pattern. For pieces that aren t coming loose press a putty knife underneath it. 4 or 5 years ago it cost us 6k ish for a 13 x 4 m 52 sq m flat roof in fibre glass. In the industry go overs.

Im not sure i buy into this thinking the whole way. Felt roofing underlayment is one of the oldest types of roofing underlayment. 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. Metre felt roof with fibre glass.

In the good old days it was often doubled up to help resist ice dams now delt with by ice and water shield. Remove old felt from the roof with your hands and a putty knife. Apply pressure and chisel away at it until it comes loose. 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.

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