A felt that is impregnated with tar or asphalt.
A felt that is partially impregnated with low softening point bitumen.
A felt that that has been immersed in hot asphalt and has absorbed as much asphalt as it can retain under the processing conditions.
An underlayment, or water-resistant layer, put down beneath shingles and made of felt impregnated with asphalt.
(1) A felt that has been partially saturated with low softening point bitumen; (2) A felt that has been immersed in hot bitumen; (3) An asphalt-impregnated felt used as an underlayment between the deck and the roofing material.
A felt which is impregnated with tar or asphalt
This asphalt-impregnated, organic-based felt is used as an underlayment between the roof deck and the roofing material. Saturated felt is produced in a variety of weights.
Felt, which is used under shingles and behind shower walls, because it is water resistant due to having been saturated with an asphalt compound.