Roof Sheathing Installation Overhang

When installing roof sheathing use nails with longer nail shank larger diameter and a larger head than may be required.

Roof sheathing installation overhang.

Install edging use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. Then we re going to use a scrap of 2x4 to space off the square and strike a line there. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. 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.

10d ring shank nails at 4 in. 3 10d common nails per plank. Check the nailing surface is level step 2. How to install roof sheathing 1.

If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch. Cut each rafter tail on the chalk line with a circular saw to ensure that every rafter is the same length. Cover sheathing with. Measure from the peak of the roof along each rafter on one side of the roof to determine the exact length of each.

Roof sheathing thickness maximum overhang length attachment 7 16 1 2 in. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. Also use more nails and place them closer together to build a stronger roof. Place corner pieces where panels will meet bends at the edge of the roofing.

1x6 or narrower planks 24 in. A tapered piece of sheathing can be cut to fill in at the eave if necessary. Sheath one slope of the roof at a time ripping the top course to the needed width at the ridge. Position the first piece of plywood.

Properly fasten panels including fastening and spacing hints step 4. 2 10d common nails per plank 1x8 to 1x10 planks 24 in. A typical metal roof overhang may be 2 to 4 inches or even less. 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. 8d ring shank nails at 4 in. Ventilate the roof according to current building codes step 3. Osb or plywood 18 in.

And scroll down to see more details on each with installation hints and tips below.