Old Roof Felt

In the industry go overs.

Old roof felt.

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. Remove old felt from the roof with your hands and a putty knife. As mentioned if you are replacing a roof the felt is likely to come off as part of the strip off. Metre felt roof with fibre glass.

Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes. 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. 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. It s created by saturating paper or fiberglass mat with asphalt.

Sources for old roofing products photo by courtesy of anr roofing. Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer. Apply pressure and chisel away at it until it comes loose. Item 656632 model 0903000.

It is also a requirement under many building codes. Felt roofing underlayment is typically available in two types. Felt roofing underlayment is one of the oldest types of roofing underlayment. Roofing felt isn t always necessary when using shingles.

Im not sure i buy into this thinking the whole way. Grab loose pieces of felt and pull them off the roof with your hands. For pieces that aren t coming loose press a putty knife underneath it. 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.

I d like to match the new roof to the old one but i can t find a source anywhere. What does this old house do in a situation like this. Felt is often used on wood shingle shake roofs and there is quite a bit of overlap. I m building an addition to an early 1930s one story home with a hip roof.

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.