How Far Should Roof Sheathing Overhang Fascia

Homes that have gable roofs the classic roof style with triangle topped walls at each end also have fascia running up the gable ends of the roofline.

How far should roof sheathing overhang fascia.

If this slight overhang is too short water will drip behind the gutters leading to rotted roof sheathing and fascia stained siding and even soil erosion and a flooded basement. This is to just enough to cover the 3 4 x6 actual fascia. Starting with how to place the first row of sheathing we cover fastening methods the use of h clips stagg. However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes.

We go in depth on how to install roof sheathing. 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 lower edge of a roof should extend beyond the fascia board by about 3 4 inch so that runoff drains into the gutters. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.

A typical metal roof overhang may be 2 to 4 inches or even less. That said overhangs can extend as far as 2 without the need for external supports. 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. Soffits appear anywhere a roof extends beyond the walls by more than a few inches. It is at 45 3 4 in. Overhangs can vary from a few inches to a few feet depending on preference.

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. Roof sheathing overhang on fascia.