Proper Rain Gutter Slope

Multiply the number of feet by 1 16 inch to determine the total slope the gutter requires.

Proper rain gutter slope. For example if the gutter is 16 feet long the end near the down spout must be 1 inch lower than the starting end. 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. Measuring the roof and purchasing materials 1. First determine the location of each one of your downspouts.

If adding a rain barrel. For spans longer than 40 feet it s wise to have a downspout on each end and start the high spot of the gutter in the center. This means that your gutter should be a half inch lower in height at every 10 foot mark until you reach the downspout. Next place a ladder at the left side of the house and measure from the roof down to the gutter.

Then fasten one end of the string at the highest point of the gutter and the other at the spot where the downspout will be. As a general rule gutter slope is set at 1 4 inch per 10 feet of guttering. Head to a home improvement store for. The standard slope for rain gutters is half of an inch for every 10 feet.

Gutter should be pitched 1 16 or greater per foot for proper drainage. Rain gutters should be attached to the fascia and run the. Attach a short length of downspout to the. Measure the length of the roof that you re working on.

This means the downspout end of the gutter should be set 3 4 of an inch lower than the other end. There are two factors that go into determining gutter position on the eave the pitch of the gutter and the roof slope. For example if you have 30 feet of guttering the calculation is 1 4 x 3 0 75 i e. Purchase at least the total length of gutter along with additional materials.

How to determine gutter slope the best way to calculate the slope of a gutter run before hanging it is to use a long string and a string level. Set a rain barrel on top of the concrete pavers. 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. Calculate the gutter slope by dividing the length of the gutter needed by 10.

Install a diverter in the downspout positioning it even with the top of the rain barrel.