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.
Plank decking in older homes plank decking may have been used for the roof decking substrate.
There are three types of wood roof decks.
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.
Structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks.
Solid sheathing most new homes built after the mid to late 80 s typically have solid roof sheathing.
Primarily used for floors and roof decks hollow core is a precast slab of prestressed concrete designed for greater structural efficiency.
On older homes planks were often spaced for wood or slate roofs with wider exposures than the standard 5 inch tab on asphalt shingles.
Tongue and groove plywood or osb sheathing plank sheathing.
It concluded that a roof is a unified product comprised of all its component parts and materials including.
Since the boards used for shiplap were manufactured here in the pacific northwest it was still cheaper than plywood up through the 1960s.
The last one is none other but our main topic in this article.
Those include the plank step plywood oriented strand board osb and tongue and groove boards.
Roof decking comes in at least five different types.
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.
Until the 1940s exterior grade plywood was not available.
Spaced or skip decking many older homes in older.