Ice dams can also occur on metal roofs and can cause damage.
How much overhang on metal roof for gutters.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
Angle or more below a straight run off the roof angle.
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.
About 1 inch just enough to assure the water goes into the gutter and not behind it.
A typical metal roof overhang may be 2 to 4 inches or even less.
Here phil explains how much overhang a roof should have at the gutter.
On page 365 the overhang is beyond a fascia board buildings with eave overhangs.
Metal roofing is a unique trend in roofing and this guide will walk you through the steps including how to install metal roofing over shingles.
And when mounting them it is crucial to try and keep them at least 5 deg.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
You may find other styles and sizes of drip edges in the store including j channel drip edges but these are intended for windows doors and other applications.
Add a gutter cover for your gutters.
Mike the pole barn guru.
The length of the overhang itself commonly ranges from 2 to 5 inches.
This will allow the snow to slide over the gutters while allowing the rain to drop down into the gutters.
This old house recommends that gutters should slope inch for every 10 feet toward a downspout this keeps water moving away from your roof.
If you have less than 2 overhang on the edge of your roof you will want to be down even more.