asphalt felt

breather-type asphalt felt

An underlayment sheet material, saturated with asphalt, which permits the transmission of water vapor; often used as underlayment for asbestos-cement shingles.
References in periodicals archive ?
The roof has been stripped but is temporarily covered with asphalt felt (Tarco No.
I am a big fan of asphalt felt, and I would like to apply that over the Grace before applying fiberglass shingles.
RoofTopGuard Craftsman is made of reflective grey, nonwoven-coated spunbond polypropylene and applies 30% faster compared to traditional asphalt felt.
It generally boils down to this: Plastic housewrap stays more flexible in cold weather and resists tearing far better than asphalt felt, making housewrap easier to install.