When installing on a roof or subfloor ... For example, as sheathing and subfloor materials, plywood and OSB are essentially equivalent, but the lower cost of OSB makes it more cost-effective ...

traditional plywood and an oriented strand board (OSB) product that has been gaining in popularity over the past decade. These lumber products are used as subfloor, wall and roof sheathing materials.

Plywood used to be king for wall sheathing and flooring material, but oriented strand board (OSB), introduced in the ... interchangeably by builders as roofing material, exterior wall sheathing ...

The first layer on top of the plywood or OSB roof deck is underlayment. For this, we chose a self-healing ice-and-water membrane to protect the shallow-pitched roof deck. The tricky part in laying ...

A run-up in prices of a widely used and once-cheap plywood substitute threatens to ... Oriented strand board, or OSB, the bonded wood-chip sheets commonly used as sheathing for walls, floors ...

The Kilrich store in Whitehorse has run out of oriented strand board (OSB) sheathing, which is a common type of plywood ... out of a tree is through the roof," Fordham said.