Roofing Over Particle Board

By chris deziel oriented strand board isn t plywood nor is it a type of particleboard fiberboard or wafer board and although it is a newcomer to a plywood dominated market its use for exterior.

Roofing over particle board.

Osb is widely used as roof decking material. Even small amounts of water can cause particle board to warp buckle and fall apart. The particle board was visibly marked as type 2 m w considered aceptabe as roof sheathing by generally acceptd modern standards. If your going over the exsisting spaced deck boards than 7 16 or 1 2 osb is fine.

If you have chosen to use a rigid roofing metal wood shakes or shingles tile etc you can use 1 x 4 slats instead. Particle board is an inexpensive smooth product that can be used for underlayment under carpeting and vinyl flooring. Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm. It is assumed here that you will be applying plywood particle board or wafer board sheathing.

With wood roofs slats are a must to avoid rotting the wood shakes. Plywood vs particle board. As far as price goes yes on a normal size home. A homeowner recently wrote and asked me the following regarding osb roof decking.

Particle board approved type particle board was installed as roof sheathing. If you want to pay more plywood cost double or more than osb than go with 1 2in plywood. Take care the first piece is aligned precisely perpendicular square to the edge. Continue reading below our video of the day.

Oriented strand board commonly referred to as osb is a type of engineered lumber similar to particle board formed by adding adhesives and then compressing layers of wood strands. Frotte frank rotte october 24 2014 4 31pm 2 sounds good to me. Use as underlayment for resilient flooring to provide a suitable and durable installation surface for finished flooring products. After installing over 10 000 new roofs and specializing in re decks i would never again install standard 1 2 cdx plywood over standard 7 16 osb.