How Much Overhang For Roof Sheathing

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

How much overhang for roof sheathing.

A typical metal roof overhang may be 2 to 4 inches or even less. 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. With a flat shed roof the roof simply extends past the wall plate to provide an overhang.

I ve trimmed my roof sheathing to run between 5 8 and 3 4 over the sub fascia. Roof sheathing panel spacing hints. The roof s sheathing helps to keep the roof trusses or rafters properly spaced and is the strength that holds. 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.

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. Spacer type panel edge clips are available from some manufacturers. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. 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 overhang on fascia.