Roof Gutter Downspout Design

Has two adjoining gutters cut on 45.

Roof gutter downspout design.

Connects troughs to keep the water flow off the roof and away from the property. The flows and capacities of the roof gutter and downspouts shown in this design guide are based on actual measurements taken from some of the materials available. Factors to be considered in the design of roof drainage sys tems are the area to be drained size of gutters downspouts outlets slope of roof type of building and appearance. The first is to make it wide and deep enough to collect all of the rainwater during the hardest rainfall.

Gutters will end where the roof no longer slopes downward. The maximum accumulation of rainfall occurs when it falls perpendicular to the roof plane. Then use the information below to see what size gutter you need. 5 inch 5 520 square feet.

Also the gutter width in relation to height may also be adjusted. The area of roof contributing runoff to each gutter and downspout should be determined. It has an angled outer wall that directs the flow of water into gutter sections. Featuring durable vinyl construction this extension can be buried bent or connected to additional sections.

Use this downspout extension to divert water away from the foundation or connect to drainage pipe and catch basin to control drainage. A properly designed gutter and downspout system will take water from the roof of your house and direct it away from the house. The flexible design easily bends and holds its shape and can be extended from 25 in. Without a gutter system water will simply fall off the roof and likely form pools near the base of your house.

This spread sheet will help you calculate the gutter width and maximum distance between downspouts based on your maximum rainfall roof area and style of gutter. The end part that closes the gutter so that water or stray debris won t flow out. For practical purposes the roof gutter depths and areas used are assumed to hold true for all available gutter of a given style top width and material even though differences do occur. See more ideas about downspout gutter gutters.

The gutter and downspout size requirement depends upon the number of sections and length of the gutter sections as well as the number of downspouts. Roof area to be considered the design capacity for a roof drainage system depends on the quantity of water to be handled. Connects the gutter to the downspout. If a roof s various drainage areas call for different size gutters go for the biggest one k style.

Design area for pitched roofs the roof area to be drained is a key factor in designing gutters and downspouts. 6 inch 7 960 square feet. To the design of the roof drainage system. There are two major factors to consider when deciding a gutter design.