Roof Rain Gutter Design

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

Roof rain gutter design.

Roof area to be considered the design capacity for a roof drainage system depends on the quantity of water to be handled. 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. Rainhandler gutter self cleaning dispersal system eliminates clogged over flowing gutters and downspouts. Design guide md 1 roof gutter d esign method nrcs engineering maryland october 2004 page 4 roof gutter design instructions 1.

Simplified suitable for flattish roofs with little or no vertical faces or steep roofs draining to one side of box gutter only or any roof if you are in a hurry and make the necessary allowances for all catchments. For animal waste management use the 25 year frequency 5 minute rainfall. Then use the information below to see what size gutter you need. 5 inch 5 520 square feet.

A properly designed gutter and downspout system will take water from the roof of your house and direct it away from the house. If you re thinking of installing gutters yourself this is a good. Record this on line 1 of worksheet 1. Label roof or roof segments and calculate.

If a roof s various drainage areas call for different size gutters go for the biggest one k style. Choose the 10 year frequency 5 minute rainfall see chart 1. Vinyl gutter the amerimax k style 10 ft. Gutter end caps close off the ends of gutters keeping debris and water from flowing out at this point.

The amerimax k style 10 ft. Its unique rainhandler gutters louver design allows leaves and debris to blow or wash away. To the design of the roof drainage system. Other pieces include elbows gutter extensions and gutter flashing.

With a crush and dent proof design this gutter can withstand extreme temperatures from 40 to 150 degrees fahrenheit. Types of gutters sectional gutters are sold in pieces and include a lot of the components mentioned above. Box gutter with rain water head at end of box gutter. The rain intensity according to table 1 2 rainfall data and drainage factors uses a 5 minute duration for a 10 year or 100 year storm thereby providing a worst case scenario for the downspout and gutter design.

No more destructive ice dams from frozen gutters. Without a gutter system water will simply fall off the roof and likely form pools near the base of your house. Vinyl gutter has rust free vinyl construction for durability.