Plywood Roof Sheathing Overhang

Then we re going to use a scrap of 2x4 to space off the square and strike a line there.

Plywood roof sheathing overhang.

A is smooth and knot free while d the lowest quality has missing knots and cracks. Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply. Comes in standard 4 by 8 foot sheets is strong durable and relatively light. It is an excellent choice for light frame wall and roof assemblies in weather protected applications.

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. Thickness will range from 3 8 to 3 4 inch depending upon local code. 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.

This indicates the truss tails. As a quick primer in plywood each side is rated from a to d. Things needed tape measure chalk line circular saw 4 foot by 8 foot sheets of 3 4 inch plywood or osb framing nailer. Roof sheathing or decking is one of those elements.

At exposed roof overhangs the sheathing must be rated for exposure to the weather. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. It adds proven performance and durability to new homes room additions and renovations. It also holds roofing nails well.

The common grade of plywood for roof sheathing is cdx.