How Far Should Roof Sheathing Overhang Fascia

Overhangs can vary from a few inches to a few feet depending on preference.

How far should roof sheathing overhang fascia.

Soffits appear anywhere a roof extends beyond the walls by more than a few inches. Starting with how to place the first row of sheathing we cover fastening methods the use of h clips stagg. During house construction fascia boards are fastened to the ends of the rafters called rafter tails before the roofing and gutters are installed. Nail thefurring strip to the fascia board near the fascia top tight under any extending of roof decking usually absent.

Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. I ve trimmed my roof sheathing to run between 5 8 and 3 4 over the sub 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. Edge clip requirements depend on the relationship of the panel span rating to the actual distance between roof framing.

This is to just enough to cover the 3 4 x6 actual fascia. 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. It is at 45 3 4 in. That said overhangs can extend as far as 2 without the need for external supports.

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. This would add another 3 4 to the thickness. However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes. Check building code requirements for installation of panel edge clips.

Measure up the rafter 45 3 4 inch from the cut end of the truss tail and snap a line along the trusses. We go in depth on how to install roof sheathing. A 1 8 inch space between adjacent panel end and edge joints is recommended unless the panel manufacturer indicates otherwise.