Plywood Roof Sheathing Overhang

Check the nailing surface is level step 2.

Plywood roof sheathing overhang.

Plywood sheathing delivers outstanding stiffness strength and versatility. As a quick primer in plywood each side is rated from a to d. Then we re going to use a scrap of 2x4 to space off the square and strike a line there. A is smooth and knot free while d the lowest quality has missing knots and cracks.

Every piece meets the highest grading standards for strength and appearance. Ventilate the roof according to current building codes step 3. Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply. 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.

The common grade of plywood for roof sheathing is cdx. 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. Choose an exterior c d grade. Properly fasten panels including fastening and spacing hints step 4.

Things needed tape measure chalk line circular saw 4 foot by 8 foot sheets of 3 4 inch plywood or osb framing nailer. Cover sheathing with. And scroll down to see more details on each with installation hints and tips below. Thickness will range from 3 8 to 3 4 inch depending upon local code.

It also holds roofing nails well. Comes in standard 4 by 8 foot sheets is strong durable and relatively light. At exposed roof overhangs the sheathing must be rated for exposure to the weather.