Roof Sheathing Overhang Fascia

Roof sheathing overhang on fascia.

Roof sheathing overhang fascia.

Also note that a new fully adhered membrane is installed on the original roof deck replacing the one installed 17 years ago is folded down to catch the top edge of the wall water control layer. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. With a flat shed roof the roof simply extends past the wall plate to provide an overhang.

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. 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. Click to enlarge any image our illustration above shows proper placement of the roof drip edge atop the roof sheathing before installation of roofing felt or ice and water shield and spaced a bit away from the fascia. Most of the roof runoff is going off the roof not down the fascia board.

Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. Roof sheathing or decking is one of those elements. Where should roof drip edge flashing be placed. Measure up the rafter 45 3 4 inch from the cut end of the truss tail and snap a line along the trusses.

Plywood is a bit more expensive but is usually. I ve trimmed my roof sheathing to run between 5 8 and 3 4 over the sub fascia. Starting with how to place the first row of sheathing we cover fastening methods the use of h clips stagg. This is to just enough to cover the 3 4 x6 actual 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. The size of the roof overhang you choose depends largely on the style of your shed s roof.