How To Plywood A Roof

Preparing your plywood sheets using a string line mark a line to guide the first row at the eaves.

How to plywood a roof.

The most common scenario is a home that has rafters set approximately 16 inches apart. 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. During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm. Overall plywood is a little bit better for roofing.

Even though the wood is porous it is more natural and it can dry quickly. Sheets of plywood are staggered so the seams interlock preventing weak points. How to correctly install plywood or osb roof sheathing. This video shows how some roofs fail under heavy winds in uplift situations.

Overlap the next panel straight above the first by 12 inches and secure it the same way you secured the first. The answer depends mostly on how far apart the rafters are and the roof loads which vary based on the pitch of your roof. To start the plywood you measure up to where the first row ends and the second starts and snap a chalkline. Keep these tips in mind when roofing in hurricane areas.

Like most other things there is no one right answer for the plywood thickness of your roof. This is why plywood is considered as the better option for roofing. Make sure there s a 1 inch overlap the edge of the roof by one inch then secure it by drilling 1 and 1 2 inch galvanized metal screws through the panel in 12 inch to 16 inch intervals. When the roofing material dries quicker it can be used to make sure that the roof will stay firm for a longer time.

The connection between the roof sheathing and the structure is a vulnerable point that is known to fail during a hurricane.