Proper Rain Gutter Slope

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.

Proper rain gutter slope.

For example if you have 30 feet of guttering the calculation is 1 4 x 3 0 75 i e. Gutter can be run level for appearance but addition downspout will be necessary see section on proper gutter and downspout sizing. As a general rule gutter slope is set at 1 4 inch per 10 feet of guttering. First determine the location of each one of your downspouts.

The minimal slope needed for proper gutter drainage is 1 25 cm 1 4 inch for every 3 metres 10 feet of gutter. Calculate the gutter slope by dividing the length of the gutter needed by 10. There are two factors that go into determining gutter position on the eave the pitch of the gutter and the roof slope. Purchase at least the total length of gutter along with additional materials.

Measure the length of the roof that you re working on. For example if the gutter is 16 feet long the end near the down spout must be 1 inch lower than the starting end. Install a diverter in the downspout positioning it even with the top of the rain barrel. Next place a ladder at the left side of the house and measure from the roof down to the gutter.

Rain gutters should be attached to the fascia and run the. Attach a short length of downspout to the. If adding a rain barrel. Set two 2 inch thick concrete pavers on the ground directly below the downspout outlet.

This means the downspout end of the gutter should be set 3 4 of an inch lower than the other end. The standard slope for rain gutters is half of an inch for every 10 feet. 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. Measuring the roof and purchasing materials 1.

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

Gutter should be pitched 1 16 or greater per foot for proper drainage.