Plywood Roof Sheathing Overhang

Choose an exterior c d grade.

Plywood roof sheathing overhang. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. It adds proven performance and durability to new homes room additions and renovations. At exposed roof overhangs the sheathing must be rated for exposure to the weather. As a quick primer in plywood each side is rated from a to d.

Plywood sheathing delivers outstanding stiffness strength and versatility. Roof sheathing or decking is one of those elements. Then we re going to use a scrap of 2x4 to space off the square and strike a line there. Comes in standard 4 by 8 foot sheets is strong durable and relatively light.

Draw a full scale mockup and snap a line with fascia in kind to figure out for the sheathing snap line swing the square over to the pitch of the roof in this case it is a. The common grade of plywood for roof sheathing is cdx. It is an excellent choice for light frame wall and roof assemblies in weather protected applications. Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply.

It also holds roofing nails well. Every piece meets the highest grading standards for strength and appearance. Thickness will range from 3 8 to 3 4 inch depending upon local code. The everyday sheathing used on the body of a roof is not rated for weather exposure so when exposed eaves and or rakes occur at the perimeter a different more expensive weather rated grade of plywood or osb must be used.

This indicates the truss tails.