Detailed Product Description

A  Kraft paper which has been saturated with asphalt. This product sheds water ad restricts moisture from penetrating. However, it will allow the passage of water vapor, thus permitting wood tobreath. This product is used on out side walls of wood frame buildings, under the external finish, as a secondary protective barrier against entry of wind and moisture. Can be applied beneath wood siding, stucco, brick, aluminum, vinyl, or any other type of siding. Also can be applied under roofing shingle to prevent wind-blown moisture from reaching wood roof decking.