How Much Overhang On Roof Sheathing

It is at 45 3 4 in.

How much overhang on roof sheathing.

Sheathing should be a minimum of 19 32 inch thick. The roof sheathing comes down and ends on top of the 1 x fascia. I ve trimmed my roof sheathing to run between 5 8 and 3 4 over the sub fascia. Never attach roof sheathing with staples.

Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. Roof sheathing overhang on fascia. Measure up the rafter 45 3 4 inch from the cut end of the truss tail and snap a line along the trusses. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

A typical metal roof overhang may be 2 to 4 inches or even less. Over roof insulation the gable overhang has been cut flush with the wall sheathing. This is to just enough to cover the 3 4 x6 actual fascia. Then i do a metal drip edge to cover it all.

The typical thickness range for sheathing is 3 8 to 3 4 inch. 8d ring shank nails should be used instead. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. Overhangs can vary from a few inches to a few feet depending on preference.

However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes. Also note that a new fully adhered membrane is installed on the original roof deck replacing the one installed 17 years ago is folded down to catch the top edge of the wall water control layer. Slide the sheet one rafter width over the end of the roof so the edge is centered on the next rafter offset one rafter spacing from the first piece of installed sheathing from the row below.