The size of the roof overhang you choose depends largely on the style of your shed s roof.
How far should roof sheathing overhang fascia.
Roof underlayment requirements over drip edge.
Roof drip edge is important for proper roof installation to avoid leaks and to give a straight edge to the roof eaves and gable ends.
I know that the fascia should go below the roof sheathing but what about placing the fascia even with the sheathing.
A typical metal roof overhang may be 2 to 4 inches or even less.
The roof sheathing comes down and ends on top of the 1 x 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.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
How to install drip edge.
The lower edge of a roof should extend beyond the fascia board by about 3 4 inch so that runoff drains into the gutters.
How where should it be installed on roof eaves gable ends.
Starting with how to place the first row of sheathing we cover fastening methods the use of h clips stagg.
How far should a drip edge be from fascia.
Its top edge is tucked up under the shingles and its outside face is where the gutter is mounted.
With a flat shed roof the roof simply extends past the wall plate to provide an overhang.
Measure up the rafter 45 3 4 inch from the cut end of the truss tail and snap a line along the trusses.
Then i do a metal drip edge to cover it all.
Roof drip edge specifications are given here.
Roof sheathing overhang on fascia.
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.
On my shed my sheathing does not protrude actually how both my house and shed are done is a 1 x 6 house 1 x4 shed fascia is installed to end of rafters then 1 x 1 1 2 is tacked onto the fascia at the top.
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.
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.
I ve trimmed my roof sheathing to run between 5 8 and 3 4 over the sub fascia.
We go in depth on how to install roof sheathing.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
This is to just enough to cover the 3 4 x6 actual fascia.