Plytanium 3 8 cat.
Flat roof plywood thickness.
In this case plywood should be a minimum of 3 8 inch thick.
You might be tempted to choose a inch thickness although it s unnecessary in most cases.
Minimum thickness most roofs will be sheathed in plywood at least 3 8 inch thick.
Steeper rather than flatter roofs will have lesser load per sq.
You can get plywood sheets with a length of up to 10 feet.
Plytanium 23 32 cat ps1 09 square structural pine sheathing application as 4 x 8.
For pricing and availability.
It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal.
Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot.
Roofs plywood.
A roof that lays practically flat will have a much heavier load than a steeper roof that allows rain snow and ice to roll right off.
For pricing and availability.
The minimum thickness of plywood used for roofing is 3 8 th of an inch.
That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.
The standard width is 4 feet.
With edge support and the same snow load 3 8 inch osb can be used.
Loads will vary with the.
This kind of plywood can be used on roofs with minimal load.
The ideal thickness for the standard rafter spacing of 24 inches is 5 8 th of an inch.
Foot and with a maximum of spacing of 16 inches between rafters.