How Far Should Roof Sheathing Overhang Fascia

We go in depth on how to install roof sheathing.

How far should roof sheathing overhang fascia. 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. 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. Edge clip requirements depend on the relationship of the panel span rating to the actual distance between roof framing.

A typical metal roof overhang may be 2 to 4 inches or even less. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. That said overhangs can extend as far as 2 without the need for external supports. This is to just enough to cover the 3 4 x6 actual fascia.

It is at 45 3 4 in. Nail thefurring strip to the fascia board near the fascia top tight under any extending of roof decking usually absent. 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. During house construction fascia boards are fastened to the ends of the rafters called rafter tails before the roofing and gutters are installed.

Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. Measure up the rafter 45 3 4 inch from the cut end of the truss tail and snap a line along the trusses. A 1 8 inch space between adjacent panel end and edge joints is recommended unless the panel manufacturer indicates otherwise. Check building code requirements for installation of panel edge clips.

Some gable walls have soffits and some don t. Soffits appear anywhere a roof extends beyond the walls by more than a few inches. The drip edge will be installed 1 8 proud of away or out from the furring strip in best practice or may be installed tight against the furring strip reduces the life of the furring strip by rot.