Ice dams can also occur on metal roofs and can cause damage.
How far should metal roof overhang gutters.
A typical metal roof overhang may be 2 to 4 inches or even less.
Greater overhang becomes a point of leverage for gusts of wind to rip off your roofing.
About 1 inch just enough to assure the water goes into the gutter and not behind it.
Lengths of drip vary but typically it s sold in ten foot lengths 120.
You want the screws to be quite long with deep threads as they will be bearing the weight of the gutter.
Here phil explains how much overhang a roof should have at the gutter.
Mike the pole barn guru.
The net resultant of each is the same and perfect for gutters if they are installed.
A rule of thumb is to have about two feet of spacing between gutter brackets.
The steel siding is 3 4 thick which leaves 1 1 2 to 1 3 4 of overhang past the siding after it is installed.
Drip edge varies in dimensions but typically the flange that nails to the roof surface is about 2 5 wide and the vertical edge that directs roof runoff down and away is about 1 5 in depth.
Too little can allow water to seep into rake or fascia boards.
Based on the length of your metal roofing decide how many gutter brackets you need and choose screws that are the correct size for the holes in the gutter brackets.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
On page 365 the overhang is beyond a fascia board buildings with eave overhangs.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
Add a gutter cover for your gutters.