The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.
Roof sheathing size.
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.
Install sheathing perpendicular to roof trusses one slope at a time.
Use a 10d box 0 128 inch by 3 inch nail as a spacer to gauge 1 8 inch edge and end spacing between panels.
Start the sheathing at the eaves and work your way up to 1 inch from the peak.
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All sizes are engineered to provide optimal roof and wall performance.
And if you re still wondering what roof sheathing is and what materials are typically used read on and satisfy your curiosity.
Roof sheathing panel spacing hints.
Nails size 8b should be installed every 6 inches on edges and every 12 inches in the center area.
Comes in standard 4 by 8 foot sheets is strong.
Spacer type panel edge clips are available from some manufacturers.
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.
For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.
03 how to install installation videos.
Roof sheathing materials plywood.
Installation manual zip system sheathing wall and roof zip system sheathing and tape fact sheet integrated sheathing or housewrap white paper.
Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick.
The zip system is a structural sheathing intended for walls and roofs with an osb base and wrb weather resistive membrane which is basically a mesh that is attached to an osb sheathing panel with a paint applied.