The issue guertin explains is the gaps between boards.
Plank roof decking.
Roof decking comes in at least five different types.
Solid sheathing most new homes built after the mid to late 80 s typically have solid roof sheathing.
Product evaluation code report 14076 assembly evaluation code.
There are two most common features of the wooden t g roof deck type that you can use to identify it.
The plank problem typically sheathing problems are isolated to small areas but old plank sheathing presents more of a challenge.
Things needed pry bar chalk wide bladed putty knife reciprocating or circular saw claw hammer pliers tape measure plywood tar paper or roofing felt utility scissors or snips shingles nail gun or hammer roofing nails roofing cement.
On older homes planks were often spaced for wood or slate roofs with wider exposures than the standard 5 inch tab on asphalt shingles.
It concluded that a roof is a unified product comprised of all its component parts and materials including.
There are three types of wood roof decks.
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.
Structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks.
Structural panels concrete roof deck is an innovative technology designed to provide a structural roof sheathing without the need for thermal barriers pouring setting or curing which resolves the latent moisture issue commonly found in roofing with poured concrete.
The last one is none other but our main topic in this article.
Each plank weighs approximately 135 lbs.
Spaced or skip decking many older homes in older.
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.
2 1 gypsum plank roof decking figure 1 2 1 1 gypsum planks are normally 2 inches thick 2 feet wide and 8 feet long and are factory laminated of two gypsum panels.
Plank decking in older homes plank decking may have been used for the roof decking substrate.
Those include the plank step plywood oriented strand board osb and tongue and groove boards.