Plywood Roof Sheathing Overhang

A is smooth and knot free while d the lowest quality has missing knots and cracks.

Plywood roof sheathing overhang.

Plywood sheathing delivers outstanding stiffness strength and versatility. 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. Thickness will range from 3 8 to 3 4 inch depending upon local code. It adds proven performance and durability to new homes room additions and renovations.

It is an excellent choice for light frame wall and roof assemblies in weather protected applications. As a quick primer in plywood each side is rated from a to d. At exposed roof overhangs the sheathing must be rated for exposure to the weather. Things needed tape measure chalk line circular saw 4 foot by 8 foot sheets of 3 4 inch plywood or osb framing nailer.

Comes in standard 4 by 8 foot sheets is strong durable and relatively light. Every piece meets the highest grading standards for strength and appearance. Choose an exterior c d grade. This indicates the truss tails.

Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. 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. It also holds roofing nails well. Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply.

The common grade of plywood for roof sheathing is cdx.