How Many Inches Should My Gutter Be Past The Roof

Make sure the ladder extends at least three feet past its top resting point against the roof edge.

How many inches should my gutter be past the roof.

Measure the length of the gutter for downspout locations. That will show how much water a gutter will have to drain. 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. For half rounds 5 inch should be used for up to 2500 sq feet and 6 inch for up to 3 840 sq ft.

Therefore this roof should be equipped with 6 inch k style gutters. Divide the inch per hour watershed of the roof by the 5 minute rainfall intensity. Gutters should slope an inch or two for every 40 feet. Here phil explains how much overhang a roof should have at the gutter.

3 5 centimeters is in the 2 3 inch range. One foot of 6 k style gutters holds 2 0 gallons of water. After you have calculated the square footage use following calculations. Of 6 inches would mean the roof has a 6 in 12 inch pitch.

Any more and you run the risk of water running off the tile and overshooting the gutter. 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. Gutters or 7 960 square feet.

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. Multiplying that number by the local maximum rainfall intensity 6 8 inches per hour yields an adjusted square footage of 7 480 square feet. The gap can vary some because the gutters must slope towards the downspout. That is how much rain a roof can drain during the most intense rainfall.

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.