Once you have the area you can divide by the area of a sheet of plywood to find the number of sheets needed.
Sheeting a roof with plywood.
A 4 8 sheet of plywood is 32 ft 2.
Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for.
Sheathing sizes osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load.
The answer depends mostly on how far apart the rafters are and the roof loads which vary based on the pitch of your roof.
Zip system roof assembly combines our revolutionary integrated sheathing and flashing tape or liquid flashing to provide a sealed roof for protection against moisture intrusion during construction or if high winds strip the roof covering away.
It adds proven performance and durability to new homes room additions and renovations.
Plywood sheathing is ideal for residential and light plywood sheathing is ideal for residential and light construction and every piece meets the highest grading standards for strength and appearance.
Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.
For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it.
That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.
Loads will vary with the pitch of the roof.
How to correctly install plywood or osb roof sheathing.
When used for roofing plywood panels are covered and protected by a variety of building materials that keep the elements at bay including roof felt underlayment flashing and shingles.
Roof sheathing or decking is one of those elements.
Most roofs will be sheathed in plywood at least 3 8 inch thick.
The most common uses for plywood include support for floors walls roofs and garages in residential construction.
The most common scenario is a home that has rafters set approximately 16 inches apart.
A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather.
So dividing the area of the roof by 32 will give you the number of sheets needed.
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