Let s say that the main floor area is 10 by 20 feet and the wing floor area is 10 by 15.
15 32 roofing ply.
One layer type 30 base sheet or versashield mechanically fastened.
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The answer depends mostly on how far apart the rafters are and the roof loads which vary based on the pitch of your roof.
I drove my car on top of 2 pieces of plywood to glue them together and it worked.
In this case plywood should be a minimum of 3 8 inch thick.
Divide that by 32 the square footage of each 4 8 plywood sheet.
One layer versashield underlayment mechanically fastened.
Glue 2 pieces together and clamp well.
The most common scenario is a home that has rafters set approximately 16 inches apart.
The number you ll get is the number of sheets that you need.
Precision milling techniques allowed manufacturers to shave a small amount from the thickness without sacrificing stability and the modern standard for 24 inch rafter spacing is 15 32 inch.
Electrogalvanized steel roofing nails 5 lb.
Thick is to reflect the manufacturer s tolerance of 1 32 inch even though in layman s terms the sheet is equivalent to a 1 2 in.
However you may need to consider bolstering the plywood thickness for a.
3 ply rtd sheathing grip rite grip rite 1 1 4 in.
Plytanium 15 32 cat ps1 09 square structural pine sheathing application as 4 x 8 item 12192 model na stiff and strong 3 ply sheathing panel for use in weather protected roof and wall applications.
The reason un sanded plywood such as sheathing is described as 15 32 in.
C 15 32 or spaced sheathing incline.
Smooth galvanized coil roofing nails 7200 pack grip rite 11 1 1 4 in.
X 96 in manufactured for strength and performance rather than aesthetics lighter weight than other types of sheathing products.