How Many Inches Should My Gutter Be Past The Roof

Therefore this roof should be equipped with 6 inch k style gutters.

How many inches should my gutter be past the roof. 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. One foot of 6 k style gutters holds 2 0 gallons of water. Here phil explains how much overhang a roof should have at the gutter.

Of 6 inches would mean the roof has a 6 in 12 inch pitch. One foot of 5 k style gutters holds 1 2 gallons of water. After you have calculated the square footage use following calculations. For half rounds 5 inch should be used for up to 2500 sq feet and 6 inch for up to 3 840 sq ft.

That said gutters need to be completely level from front to back or water could spill over either edge. 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. It s not uncommon for homeowners to hang the gutters so that the front edge is slumping forward too much. Gutters should slope an inch or two for every 40 feet.

That is how much rain a roof can drain during the most intense rainfall. Divide the inch per hour watershed of the roof by the 5 minute rainfall intensity. Measure the length of the gutter for downspout locations. That will show how much water a gutter will have to drain.

Gutters or 7 960 square feet. The gap can vary some because the gutters must slope towards the downspout. 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. Ask gutter suppliers what size gutters will be needed to handle that amount.

Any more and you run the risk of water running off the tile and overshooting the gutter. Make sure the ladder extends at least three feet past its top resting point against the roof edge.