The most common uses for plywood include support for floors walls roofs and garages in residential construction.
Sheeting a roof with plywood.
The most common scenario is a home that has rafters set approximately 16 inches apart.
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That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.
It adds proven performance and durability to new homes room additions and renovations.
For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it.
Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.
How to correctly install plywood or osb roof sheathing.
Most roofs will be sheathed in plywood at least 3 8 inch thick.
A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather.
A 4 8 sheet of plywood is 32 ft 2.
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.
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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.
Once you have the area you can divide by the area of a sheet of plywood to find the number of sheets needed.
Roof sheathing or decking is one of those elements.
So dividing the area of the roof by 32 will give you the number of sheets needed.
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.
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.
In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood.