roofing board

roofing board

In a wood-framed house, a wide board that is placed over the rafters, parallel to the ridge beam.
References in periodicals archive ?
PIR roofing board that now passes the standard hot-plate test generally fails the calorimeter test in constructions without a cover board.
Orr says he uses a 1/8-inch drill to test and see if he has contact with the roofing boards before he installs the bolt.
By a stroke of luck I did remember to duck my head past the landing to avoid being scalped by the battery of nails that protruded a good inch or more through the roofing boards.
Essentially, It is: - asbestos-containing roofing boards and partitions, Asbestos cords in masonry joints of flue gas ducts, Asbestos-containing roofing boards, Asbestos cement slabs as ceiling cladding and outer wall, Asbestos cords asbestos-containing asbestos-containing pipe cladding (alumina insulation) - kmf as insulation in partitions, Floors, Blankets, Roofing, Fire protection doors, On false ceilings, As pipe and equipment covers; - tar and other pyrolysis products made of organic material in tar paper under screed and as roofing; - wooden components and mineral fillings contaminated with ddt; - heavy duty cleaning paints.