How Thick Of Plywood For A Roof

For the less standard 20 inch apart rafters plywood with inch or 5 8 th inch thickness can be used.

How thick of plywood for a roof.

He said it s only a difference of 1 8 thickness. 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. Standard roof sheathing which consists of 4 by 8 sheets of plywood or oriented strand board or osb is 1 2 inch thick and attaches directly to the roof rafters or the roof trusses. That s considered to be the minimum.

Sheathing should be a minimum of 19 32 inch thick. Plywood thickness for the roof. What thickness of plywood for shed roof. 8d ring shank nails should be used instead.

Post by diy johnny tue feb 20 2018 7 27 pm not advice but i d opt for the 18 if it were my shed. The existing plywood on my roof is only 3 8. The typical thickness range for sheathing is 3 8 to 3 4 inch. However 3 4 th inch plywood is also used for a roofing system that has a heavier load.

Snowfall and ice accumulation can affect the load put on a roof. Never attach roof sheathing with staples. Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. Like most other things there is no one right answer for the plywood thickness of your roof.

Is 1 2 osb okay for a standing seam roof and other roofing materials or is 5 8 preferred. I thought perhaps he made a mistake but no this is what he is proposing. The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the. Roof will be fully vented.

A local roofer submitted a proposal to me for a roof placement that included replacing rotten plywood with 1 2 cdx. Can someone direct me to blogs or q a titles that address roof sheathing thickness. The cabin is just 440 sf and is in zone 6. One of the most important factors when selecting the plywood for your roof is how thick each piece should be.

My cabin trusses will be 24 oc and i will use either 1 2 or 5 8 osb sheathing and a standing seam metal roof. An exception to this standard however may occur if you intend to install slate concrete or tile shingles on your roof.