Installing Plywood Roof Decking

Starting with how to place the first row of sheathing we cover fastening methods the use of h clips stagg.

Installing plywood roof decking. If you want to install trims to the end rafters the roof decking should overhang about 3 4. Rotted sagging areas in your roof s plywood decking should be replaced prior to installing metal panels in order to prevent costly repairs in the future. 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. The plywood is nailed at roughly 150 mm spacings ensuring the ends finish on the centre line of a truss.

When using plywood nail it directly to the purlins and screw the metal roofing panels through the plywood into the purlins as instructed by the manufacturer. The thickness of ply you install can vary depending on your builder and how your roof trusses are spaced. Plywood roofing panels that attach to the roof are held in place with ring shank exterior grade nails. Generally 12 15mm ply is the most commonly used thickness.

Roof sheathing or decking is one of those elements. Ensure that the plywood deck is strong enough to withstand the added weight of the metal panels. Installing plywood on a roof hello youtubers here s another video about plywood sheathing and composition shingles after replacing all damaged wood and. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.

The ring shanks on the shaft act like little barbs to grip the wood tightly when driven so that they resist loosening up over their lifetime. Installing the plywood sheets. In order to get a professional result we recommend you to use 3 4 tongue and groove plywood sheets. We go in depth on how to install roof sheathing.

After cutting the sheets at the right size you should fit them over the rafters and lock them into place with 2 nails.