Plywooding A Roof

Plywooding over old roof deck the house was built in 1953 it is a rancher in 1987 when i did her roof for her after my parents just moved in there was 3 coats of shingles on it we thought 2.

Plywooding a roof. Plywood is a bit more expensive but is usually. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. Installing plywood on a roof hello youtubers here s another video about plywood sheathing and composition shingles after replacing all damaged wood and. Roy gingrich of ellicott city has a 40 year old house with an asphalt shingle roof surface.

Shingle roofs are installed every day over wood decking that has been wet by rain. It s fine and there is no need for the extreme and expensive approaches suggested in some other answers. The roof s sheathing helps to keep the roof trusses or rafters properly spaced and is the strength that holds. The existing asphalt.

Generally plywood roof decking that has gotten wet and had the shingles applied over it if allowed to dry. Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component.

Thickness will range from 3 8 to 3 4 inch depending upon local code. Roof sheathing or decking is one of those elements. Can new plywood be installed on a 40 year old roof without removing the old. The minimum plywood for roofing.

Choose an exterior c d grade. Rafters run from the peak of the roof.