2 Gutters Into One Downspout

Adding a 2 by 3 rectangular downspout for instance boosts your gutter s capacity by 600 square feet of drainage area.

2 gutters into one downspout.

According to lynch aluminum you should run at least one downspout per 40 feet of gutter length. As with gutters a downspout s capacity must match or exceed the expected runoff. Gutter slope will affect drainage. On one end of the house i used to have drain hoses coming from both corner downspouts joining up in the middle and then running out via one hose into a large ditch.

Use the chart below to figure out how many extra downspouts you need. Our y downspout funnels takes 2 downspouts into one and is available in 14 different colors. 14 colors click on picture for details. Having 2 exits into 1 downspout released the vacuum that was forming from having only 1.

We cut another opening in the gutter then brought that into this y piece. Y downspout funnels takes 2 downspouts into one. A gutter should not slope by more than one inch in 17 feet. 2 by 3 inches 600 square feet.

This fit exactly right into an existing gutter on the house. Available for 2x3 or 3x4 size downspout. A 2 inch by 3 inch downspout diameter can handle the water load on a 600 square foot. 3 by 4 inches 1 200 square.