Does Roof Sheathing Overhang Fascia

The size of the roof overhang you choose depends largely on the style of your shed s roof.

Does roof sheathing overhang fascia.

When sheathing a roof the first step is to snap a line so that the first row goes on straight. This opens the door to the possibility of water damage by letting gravity work against you. Don t overhang the sheathing at all. On roofs with no eaves overhang or soffit proper installation of drip edge proud of the fascia board at the wall top is very important to avoid water damage to the building walls below.

I ve seen it done both ways but i like it to overhang the fascia. Make sure it is square level etc. Box beam gable framing new gable overhang is framed in the form of a box beam hanging off of a new layer of roof plywood roof sheathing cantilevered over the top of the 3 layers of rigid insulation. But if you snap it at 40 inches then the sheathing will not project over the subfascia or true fascia.

If you re putting a drip edge and ice and water shield on that should take care of any possibility from water getting inbetween the ply and the fascia detail. In most cases if the shingles go past the drip edge about 3 4 of an inch the shingle edge will break the surface tension unless your roof has a shallow pitch then the water will reach the drip edge and if drip edge is tight to the facia board it will run down the fascia so as added insurance leave space between the fascia and drip edge. If the gutter is not secured snugly against the fascia or if the gutter was installed atop rather than under the drip edge you ll get this problem. Put that up first.

Soffits appear anywhere a roof extends beyond the walls by more than a few inches. Use 2x6 for fascia board. 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. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage.

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