Plywood Roof Sheathing Overhang

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.

Plywood roof sheathing overhang.

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. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. Every piece meets the highest grading standards for strength and appearance.

It adds proven performance and durability to new homes room additions and renovations. It also holds roofing nails well. It is an excellent choice for light frame wall and roof assemblies in weather protected applications. 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. Plywood sheathing delivers outstanding stiffness strength and versatility. Choose an exterior c d grade. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof.

A is smooth and knot free while d the lowest quality has missing knots and cracks. Roof sheathing or decking is one of those elements. As a quick primer in plywood each side is rated from a to d. This indicates the truss tails.

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