Gutter Drainpipe Dimensions

This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system.

Gutter drainpipe dimensions.

The larger a gutter downspout the more water it can drain quickly. However too large a gutter downspout can look unattractive. The sizes available in this style are 3 4 5 and 6. Gutter downspout sizes are 3 to 6 inches.

It also comes in sizes 2 3 and 3 4. On chart 1 1 find the vertical line representing l 40 12 2 m. 6 inch 7 960 square feet. 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.

Round downspouts come in various sizes and colors and mostly used with half round gutters. The area to be drained by each section of gutter will be 1200 sq ft 111 5 sq m the rainfall intensity from table 1 2 col a is 6 in hr 152 mm hr the length of each gutter section is 40 ft 12 2 m and the ratio of gutter depth to width is 0 75. Sdr indicates the pipe is made to the size dimension ratio standard. Most downspouts are rectangular but they can also be round or square.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. If a roof s various drainage areas call for different size gutters go for the biggest one k style. Then use the information below to see what size gutter you need.