How Far Should Roof Sheathing Overhang Fascia

Roof sheathing overhang on fascia.

How far should roof sheathing overhang fascia.

Its top edge is tucked up under the shingles and its outside face is where the gutter is mounted. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. 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. A typical metal roof overhang may be 2 to 4 inches or even less.

Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. Most of the roof runoff is going off the roof not down the fascia board. Here is the problem the lookouts are already in place the sheathing is installed. And measure how much if any the sheathing is hanging over the rafter or how far from the end of the rafter.

I know that the fascia should go below the roof sheathing but what about placing the fascia even with the sheathing. I note that was an easier job than yours because that building sports no gutters just a nice 24 roof overhang. The size of the roof overhang you choose depends largely on the style of your shed s roof. 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 article series discusses roofing installation including roof sheathing roof underlayment 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. 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.

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. The roof sheathing comes down and ends on top of the 1 x fascia. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage.

Then i do a metal drip edge to cover it all. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. 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 or decking is one of those elements.

Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. Installing the fascia before sheeting the roof solves a lot of problems.