Sloped Gutter Design Residential

Screw a downspout elbow to the outlet tube protruding down from the gutter.

Sloped gutter design residential.

And gutter expansion joints should be spaced no more than 48 feet see hung gutters. As a general rule gutter slope is set at 1 4 inch per 10 feet of guttering. You want at least a quarter inch of slope for every 10 feet. First determine the location of each one of your downspouts.

This means the downspout end of the gutter should be set 3 4 of an inch lower than the other end. To the design of the roof drainage system. Without a gutter system water will simply fall off the roof and likely form pools near the base of your house. Downspout spacing is restricted by two factors.

Maximum rainfall conditions will be used to determine downspout size. We also replace old or damaged rain gutters and can enhance any rain gutter system with attractive rain chains leader heads and hook up rain barrels. If there s standing water it s not pitched properly. Gutters will end where the roof no longer slopes downward.

The best way to calculate the slope of a gutter run before hanging it is to use a long string and a string level. 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. You can choose from aluminum copper or bonderized. Use needlenosed pliers to slightly crimp the elbow to fit into the downspout as shown.

Get on a ladder after a rainstorm and look in the gutter. Roof area to be considered the design capacity for a roof drainage system depends on the quantity of water to be handled. Hold another elbow against the house and cut a piece of downspout to fit between the two elbows. A properly designed gutter and downspout system will take water from the roof of your house and direct it away from the house.

For example if you have 30 feet of guttering the calculation is 1 4 x 3 0 75 i e. But houses with big steep roofs or those located in climates prone to heavy downpours may need wider gutters and extra downspouts to keep rainwater from overflowing. Secure the downspout outlet to the gutter with four pop rivets or screws. The slope is toward the long side.

Five inch k style gutters or 6 inch half rounds the most common residential sizes are able to handle the rainfall on most houses in most parts of the country. Each downspout should drain no more than 50 feet of gutter. We design fabricate and install rain gutter systems tailor made to your needs and preferences.