How Much Overhang On Roof Sheathing

Over roof insulation the gable overhang has been cut flush with the wall sheathing.

How much overhang on roof sheathing. The typical thickness range for sheathing is 3 8 to 3 4 inch. It is at 45 3 4 in. Then i do a metal drip edge to cover it all. Roof sheathing overhang on fascia.

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. This is to just enough to cover the 3 4 x6 actual fascia. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. Never attach roof sheathing with staples.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. The roof sheathing comes down and ends on top of the 1 x fascia. Sheathing should be a minimum of 19 32 inch thick.

On my shed my sheathing does not protrude actually how both my house and shed are done is a 1 x 6 house 1 x4 shed fascia is installed to end of rafters then 1 x 1 1 2 is tacked onto the fascia at the top. A typical metal roof overhang may be 2 to 4 inches or even less. However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes. That said overhangs can extend as far as 2 without the need for external supports.

8d ring shank nails should be used instead. Overhangs can vary from a few inches to a few feet depending on preference. I ve trimmed my roof sheathing to run between 5 8 and 3 4 over the sub fascia.