How Far Should Roof Sheathing Overhang Fascia

With a flat shed roof the roof simply extends past the wall plate to provide an overhang.

How far should roof sheathing overhang 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. Installing the fascia before sheeting the roof solves a lot of problems. In some places the sheathing just doesn t have sufficient overhang for the fascia. I ve trimmed my roof sheathing to run between 5 8 and 3 4 over the sub fascia.

I note that was an easier job than yours because that building sports no gutters just a nice 24 roof overhang. 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. The roof sheathing on a 12 12 pitch roof should be about 1 2 back assumeing ur running the sheathing before the facia is installed. Where should roof drip edge.

Roof sheathing or decking is one of those elements. Then i do a metal drip edge to cover it all. 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. And measure how much if any the sheathing is hanging over the rafter or how far from the end of the rafter.

This is to just enough to cover the 3 4 x6 actual fascia. Measure up the rafter 45 3 4 inch from the cut end of the truss tail and snap a line along the trusses. Its top edge is tucked up under the shingles and its outside face is where the gutter is mounted. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood.

Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. Fascia and soffits finish the edges of roofs by covering the ends of the roof rafters or roof trusses where they overhang the sides of the house the fascia is the wide board that s installed on edge and runs horizontally along the edge of the roof.

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. Roof sheathing overhang on fascia. The roof sheathing comes down and ends on top of the 1 x fascia. The size of the roof overhang you choose depends largely on the style of your shed s roof.

Here is the problem the lookouts are already in place the sheathing is installed. This article series discusses roofing installation including roof sheathing roof underlayment roof.