How Far Should Metal Roof Overhang 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.

How far should metal roof overhang gutters. You want the screws to be quite long with deep threads as they will be bearing the weight of the gutter. A typical metal roof overhang may be 2 to 4 inches or even less. 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. Greater overhang becomes a point of leverage for gusts of wind to rip off your roofing.

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. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. A rule of thumb is to have about two feet of spacing between gutter brackets. Here phil explains how much overhang a roof should have at the gutter.

Lengths of drip vary but typically it s sold in ten foot lengths 120. On page 365 the overhang is beyond a fascia board buildings with eave overhangs. Ice dams can also occur on metal roofs and can cause damage. Too much overhang and the shingles could blow off in high winds.

Mike the pole barn guru. About 1 inch just enough to assure the water goes into the gutter and not behind it. 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. Add a gutter cover for your gutters.

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.