Plank Roof Decking

Product evaluation code report 14076 assembly evaluation code.

Plank roof decking. Each plank weighs approximately 135 lbs. On older homes planks were often spaced for wood or slate roofs with wider exposures than the standard 5 inch tab on asphalt shingles. 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. There are three types of wood roof decks.

Solid sheathing most new homes built after the mid to late 80 s typically have solid roof sheathing. 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. It concluded that a roof is a unified product comprised of all its component parts and materials including. Plank decking in older homes plank decking may have been used for the roof decking substrate.

The issue guertin explains is the gaps between boards. Roof decking comes in at least five different types. Note gypsum planks also come in other sizes. 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.

There are two most common features of the wooden t g roof deck type that you can use to identify it. Structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks. Those include the plank step plywood oriented strand board osb and tongue and groove boards. The load bearing capacities of structural decking also make it useful as floor decking and solid sidewall construction.

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. The plank problem typically sheathing problems are isolated to small areas but old plank sheathing presents more of a challenge. 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.