Plank Roof Decking

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.

Plank roof decking.

Solid sheathing most new homes built after the mid to late 80 s typically have solid roof sheathing. Structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks. There are three types of wood roof decks. Roof decking comes in at least five different types.

Hollow core plank is a cost effective and versatile solution for almost any building project. Roof decks on homes built before 1970 are often 1 8 fir pre plywood shiplap. 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. Standard structural decking patterns are 2 nominal tongued and grooved t g and 3 and 4 double t g products available with vee or eased edges to meet discriminating architectural requirements.

Primarily used for floors and roof decks hollow core is a precast slab of prestressed concrete designed for greater structural efficiency. Plank decking in older homes plank decking may have been used for the roof decking substrate. Tongue and groove plywood or osb sheathing plank sheathing. There are two most common features of the wooden t g roof deck type that you can use to identify it.

Those include the plank step plywood oriented strand board osb and tongue and groove boards. Since the boards used for shiplap were manufactured here in the pacific northwest it was still cheaper than plywood up through the 1960s. Molin concrete offers two types of hollow core plank. 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.