Old Roof Felt

In the good old days it was often doubled up to help resist ice dams now delt with by ice and water shield.

Old roof felt.

Felt roofing underlayment is one of the oldest types of roofing underlayment. No 15 felt and no. 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. As mentioned if you are replacing a roof the felt is likely to come off as part of the strip off.

Felt is often used on wood shingle shake roofs and there is quite a bit of overlap. Grab loose pieces of felt and pull them off the roof with your hands. It is also a requirement under many building codes. It s created by saturating paper or fiberglass mat with asphalt.

Felt roofing underlayment is typically available in two types. Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer. Im not sure i buy into this thinking the whole way. I d like to match the new roof to the old one but i can t find a source anywhere.

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. 4 or 5 years ago it cost us 6k ish for a 13 x 4 m 52 sq m flat roof in fibre glass. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Apply pressure and chisel away at it until it comes loose.

For pieces that aren t coming loose press a putty knife underneath it. In the industry go overs. Item 656632 model 0903000. Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes.

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. What does this old house do in a situation like this. Roofing felt isn t always necessary when using shingles. Sources for old roofing products photo by courtesy of anr roofing.

Including removal of old felt and failed decking installation of 100 mm celotext between ceiling rafters new deck in 22mm osb3 and the glass fibre covering. Remove old felt from the roof with your hands and a putty knife.