How Many Inches Should My Gutter Be Past The Roof

One foot of 6 k style gutters holds 2 0 gallons of water.

How many inches should my gutter be past the roof.

That will show how much water a gutter will have to drain. Therefore this roof should be equipped with 6 inch k style gutters. After you have calculated the square footage use following calculations. Gutters should slope an inch or two for every 40 feet.

Ask gutter suppliers what size gutters will be needed to handle that amount. If you live in a warm place with sporadic rain you can hang gutter hangers close to the middle of the gutter with a spacing of no more than 36 inches or three feet apart from the center. Here phil explains how much overhang a roof should have at the gutter. Multiplying that number by the local maximum rainfall intensity 6 8 inches per hour yields an adjusted square footage of 7 480 square feet.

That said gutters need to be completely level from front to back or water could spill over either edge. The brackets typically hold the gutter about 1 2 1 inch away from the fascia board if u type brackets otherwise if screw through type the gutter might be almost up to the fascia board. One foot of 5 k style gutters holds 1 2 gallons of water. Any more and you run the risk of water running off the tile and overshooting the gutter.

Measure the length of the gutter for downspout locations. For half rounds 5 inch should be used for up to 2500 sq feet and 6 inch for up to 3 840 sq ft. For a 5 inch k style gutter the square footage should be up to 5 500 sq ft and for a 6 inch k style gutter the square footage should be upto 7 900 sq ft. Of 6 inches would mean the roof has a 6 in 12 inch pitch.

3 5 centimeters is in the 2 3 inch range. Make sure the ladder extends at least three feet past its top resting point against the roof edge. Gutters or 7 960 square feet. For rainy climates where gutters will handle a larger amount of water for long periods they should have a maximum distance of 18 inches apart between them.

It s not uncommon for homeowners to hang the gutters so that the front edge is slumping forward too much. The gap can vary some because the gutters must slope towards the downspout.