Roof Rain Gutter Design

Label roof or roof segments and calculate.

Roof rain gutter design.

Types of gutters sectional gutters are sold in pieces and include a lot of the components mentioned above. Record this on line 1 of worksheet 1. Since the roof area would increase as its pitch increases then it would not be advisable to use the plan area of a pitched roof in the calculation of a drainage system ï experience has taught that use of the true area of a pitched roof often leads to oversizing of the rain gutters or gutter downspouts and drains. Choose the 10 year frequency 5 minute rainfall see chart 1.

Rainhandler gutter self cleaning dispersal system eliminates clogged over flowing gutters and downspouts. Its unique rainhandler gutters louver design allows leaves and debris to blow or wash away. Gutter end caps close off the ends of gutters keeping debris and water from flowing out at this point. No more destructive ice dams from frozen gutters.

For animal waste management use the 25 year frequency 5 minute rainfall. A properly designed gutter and downspout system will take water from the roof of your house and direct it away from the house. Roof area to be considered the design capacity for a roof drainage system depends on the quantity of water to be handled. Then use the information below to see what size gutter you need.

Vinyl gutter has rust free vinyl construction for durability. Vinyl gutter the amerimax k style 10 ft. Box gutter with rain water head at end of box gutter. 5 inch 5 520 square feet.

If a roof s various drainage areas call for different size gutters go for the biggest one k style. The amerimax k style 10 ft. Design guide md 1 roof gutter d esign method nrcs engineering maryland october 2004 page 4 roof gutter design instructions 1. With a crush and dent proof design this gutter can withstand extreme temperatures from 40 to 150 degrees fahrenheit.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Other pieces include elbows gutter extensions and gutter flashing. The water will then flow through any fault in the base of. Featuring a brown color and traditional k style design this gutter will complement your home.

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. To the design of the roof drainage system. 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.