Plywood Roof Overhang

Properly fasten panels including fastening and spacing hints step 4.

Plywood roof overhang.

Then we re going to use a scrap of 2x4 to space off the square and strike a line there. Cover sheathing with. Things needed tape measure chalk line circular saw 4 foot by 8 foot sheets of 3 4 inch plywood or osb framing nailer. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.

Ventilate the roof according to current building codes step 3. Check the nailing surface is level step 2. At exposed roof overhangs the sheathing must be rated for exposure to the weather. With a flat shed roof the roof simply extends past the wall plate to provide an overhang.

The size of the roof overhang you choose depends largely on the style of your shed s roof. Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for light frame wall and roof assemblies in weather protected applications. 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.

Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. This indicates the truss tails. And scroll down to see more details on each with installation hints and tips below.