How Thick Is Roofing Plywood

The most common thickness of plywood is 1 2 inch but plywood thickness can range from 1 8 inch to 3 4 inches.

How thick is roofing plywood.

He said it s only a difference of 1 8 thickness. This kind of plywood can be used on roofs with minimal load. When used in flooring plywood functions as the subfloor that supports hardwoods tile and carpet floors. I thought perhaps he made a mistake but no this is what he is proposing.

Like most other things there is no one right answer for the plywood thickness of your roof. Foot and with a maximum of spacing of 16 inches between rafters. Steeper rather than flatter roofs will have lesser load per sq. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.

Plywood thickness for the roof. The typical thickness range for sheathing is 3 8 to 3 4 inch. That s considered to be the minimum. Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick.

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. Most roofs will be sheathed in plywood at least 3 8 inch thick. 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 and roof design. Sheathing should be a minimum of 19 32 inch thick.

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. If your roof is more on the flatter side then it s. Never attach roof sheathing with staples. The minimum thickness of plywood used for roofing is 3 8 th of an inch.

8d ring shank nails should be used instead. One of the most important factors when selecting the plywood for your roof is how thick each piece should be. This minimum will only work if the rafters are set 16 inches apart at most and if the roof doesn t have too much load. The ideal thickness for the standard rafter spacing of 24 inches is 5 8 th of an.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.