How Much Overhang For Roof Sheathing

A typical metal roof overhang may be 2 to 4 inches or even less.

How much overhang for roof sheathing.

Spacer type panel edge clips are available from some manufacturers. This indicates the upper edge of the first row of roof sheathing leaving enough overhang that the subfascia and fascia will tuck neatly underneath when the time comes. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. Now that i ve modeled what i was going to build i decided i need a piece of molding to break up the plain look of just the fascia trim plank.

This is to just enough to cover the 3 4 x6 actual fascia. Use a 10d box 0 128 inch by 3 inch nail as a spacer to gauge 1 8 inch edge and end spacing between panels. Roof sheathing panel spacing hints. Roof sheathing is a lot more than just flat panels onto which shingles are attached.

Measure up the rafter 45 3 4 inch from the cut end of the truss tail and snap a line along the trusses. The roof s sheathing helps to keep the roof trusses or rafters properly spaced and is the strength that holds. I ve trimmed my roof sheathing to run between 5 8 and 3 4 over the sub fascia. Roof sheathing overhang on fascia.

Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.