Two feet is the general maximum length for a typical roof overhang.
Minimum roof overhang length.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
At the rakes however with a nod to yankee frugality and clean modern lines we kept the roof trim as close to flush as practical while still allowing for a rain screen channel.
Too much overhang and the shingles could blow off in high winds.
Too little can allow water to seep into rake or fascia boards.
If you only have 1 2 inches 2 5 5 1 cm of overhang you likely need to go with this option.
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.
You do not need more than 2 feet 0 61 m of total overhang for your building to stay safe and avoid water damage.
This will protect a roof from most types of damage.
A typical metal roof overhang may be 2 to 4 inches or even less.
16 foot and taller 24 inch overhangs.
This can make extensive roof overhangs more trouble than they are worth in all but the harshest climates.
A shed overhang is an easy and effective way to protect your shed.
You can add 3 to 5 inches to the top.
This will keep rain away from your shed.
According to the 2012 international building code 1507 4 2 deck slope minimum slopes for roof panels need to comply with the following.
With that in mind we kept a roof overhang at the eaves as it provides a nice shadow line and protects the second floor windows from a bit of the summer sun.
Another exception would be along eave sides with doors for weather protection longer overhangs generally work best.
4 choose to extend the preexisting rafters to add 2 9 inches 5 1 22 9 cm.
12 to 16 foot eaves 18 inch overhangs.
