Rain Water Gutter Dimensions

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

Rain water gutter dimensions. That will show how much water a gutter will have to drain. 6 inch 7 960 square feet. Gutter downspout sizes are 3 to 6 inches. If a roof s various drainage areas call for different size gutters go for the biggest one k style.

Ask gutter suppliers what size gutters will be needed to handle that amount. To limit the effects of thermal expansion in gutters 50 ft. Learn more how to storm water design for building sites. However too large a gutter downspout can look unattractive.

Jugs water bottles. Downspout sizes must not exceed the bottom width of the gutter. Water storage filtration. You should have enough gutter downspouts to effectively handle the size of your entire gutter system.

Most downspouts are rectangular but they can also be round or square. The number of downspouts will affect a gutter s ability to handle water. Rainflo d shape gutter stopend white. Half round gutters shaped like a tube cut in half carry water very effectively.

Downpipe eaves gutter long straight eaves gutters box gutter to rain water head box gutter vertical faces box gutter side o flow box gutter vertical o flow storm water pipe size storm water network overland flow path spitter upstream end custom rain water head. Now architects engineers designers and contractors can easily and accurately size downspouts and gutters according to the specifications in smacna s architectural sheet metal manual 7th edition 2012. Then use the information below to see what size gutter you need. 15 m is a practical maximum gutter length to be served by a downspout.

Their open trough like shape makes them prone to leaf and debris clogs the reason many homeowners choose to. 5 inch 5 520 square feet. The capacity of a sloped rectangular gutter may be approximated by using a gutter cross section area not less than that of a semicircular gutter and. The quantity of water in turn depends on the roof area slope and rainfall intensity.

That is how much rain a roof can drain during the most intense rainfall. Then use the chart below to see what size gutter you need. Measure the length of the gutter for downspout locations. If a roof s various drainage areas call for different size gutters go for the biggest one k style.

Tems are the area to be drained size of gutters downspouts outlets slope of roof type of building and appearance. Roof area to be considered the design capacity for a roof drainage system depends on the quantity of water to be handled. Successfully added to trolley. The downspout and gutter sizing calculator is located on the tools cad and apps page of the smacna website.