Plank Roof Decking

Structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks.

Plank roof decking.

Hollow core plank is a cost effective and versatile solution for almost any building project. There are two most common features of the wooden t g roof deck type that you can use to identify it. Spaced or skip decking many older homes in older. The last one is none other but our main topic in this article.

On older homes planks were often spaced for wood or slate roofs with wider exposures than the standard 5 inch tab on asphalt shingles. Until the 1940s exterior grade plywood was not available. And shingles 7 it reasoned that the wood shingles which served as the decking were an integral component of the roof and that the cost to replace the wood shingles was a covered loss. Roof decking comes in at least five different types.

Since the boards used for shiplap were manufactured here in the pacific northwest it was still cheaper than plywood up through the 1960s. It concluded that a roof is a unified product comprised of all its component parts and materials including. Molin concrete offers two types of hollow core plank. There are three types of wood roof decks.

Roof decks on homes built before 1970 are often 1 8 fir pre plywood shiplap. Plank decking in older homes plank decking may have been used for the roof decking substrate. As a result at least one but often many of the shingle nailing lines end up falling smack between boards or so close to the edge that the nails lack holding power. Tongue and groove plywood or osb sheathing plank sheathing.

Those include the plank step plywood oriented strand board osb and tongue and groove boards.