Should I Overhang My Roof Sheathing

For safety temporarily nail a 2 x 4 toe board horizontally across the lower panel of sheathing to brace yourself against as you add the second and subsequent courses of sheathing.

Should i overhang my roof sheathing.

Measure up the rafter 45 3 4 inch from the cut end of the truss tail and snap a line along the trusses. Building a shed roof with an overhang is an important part of protecting your shed and thus should not be overlooked. The edge of the shingles should hang over a roof between an inch and an inch and a half or between a half inch and three quarters of an inch if drip edge flashing is installed. Too much overhang and the shingles could blow off in high winds.

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. Too little can allow water to seep into rake or fascia boards. Check the nailing surface is level step 2. Properly fasten panels including fastening and spacing hints step 4.

Step 4 cut overhang. Carefully work your way up to the peak of the roof. Check for alignment and end support as you go. Ventilate the roof according to current building codes step 3.

Just run the top of the molding flush to the top of the sheathing then install backflashing for gutter or drip edge you shouldn t leave the sheathing overhanging as it will just wick water from the gutter w 1x6 molding i would think you re not putting a gutter because if you were you would only need 1x6 and any extra molding would never be seen if you re putting the gutter under the molding the gutter would be too low and the molding would then wick the water means it ll rot from. Roof sheathing is a lot more than just flat panels onto which shingles are attached. Cover sheathing with. The roof s sheathing helps to keep the roof trusses or rafters properly spaced and is the strength that holds.

And scroll down to see more details on each with installation hints and tips below.