Thick, water-resistant paper, serving as insulation to water proof, dust proof or wind proof various points in a house, commonly under siding, between subfloors, beneath roofing, behind paneling and on finish floors.
Paper which has been siezed with rosin or saturated with asphalt for water-resistance. It is not waterproof. May be used between sheathing and finish converings, between floors and subfloors, and at rough openings such as window and doors.
Rolls of resin or tar-impregnated paper used a barrier layers under roofing, siding, and finish flooring. Most building papers have been replaced by synthetic materials but they still have limited uses.
Building material, usually a felt paper that is used as a protective barrier against air and moisture passage from the area beneath the flooring as well as providing a movement/noise isolator in hardwood flooring.
A heavy durable paper such as rosin sized paper, used in construction typically to improve thermal insulation and weather protection, and to act as a vapor barrier. In copper applications it is often used between the copper and underlayment to prevent bonding that could restrict copper movement. Same as Roofing Paper.
Water repellant paper used to assist in shedding incidental moisture what may penetrate exterior finishes of exterior wall construction. Thick paper, used to insulate a building before the siding or cladding is installed. Occasionally used in floor between double floors.
Any of various usually water repellent sheet materials such as kraft paper assemblies and asphalt saturated felt, used for moisture proofing, draft stopping, and exterior plaster backing; a general term for papers, felts, and similar sheet materials used in buildings, without reference to their properties or uses.