Gutter Roof Design

Style of gutters to be used.

Gutter roof design.

Label roof or roof segments and calculate. The minimum required size of a gutter is related to the intensity of rainfall and the area of roof that drains into the. All gutters are not effective for their full depth and width 4. A k style gutter in the same inch width can handle twice as much water as a half round gutter.

K style gutters are the most common option and they provide optimum drainage for the majority of homes in most of the u s. 5 inch 5 520 square feet. Features a curved profile that is held in by tension which makes it easy to snap in and snap out. See table 10 7a for standard downspout sizes.

Box gutter and rain water head. Design of the mesh allows water to flow through while blocking debris. Once an architect has determined the kind of roof he intends to use he must give equal attention to the design of the roof drainage system. Design of eaves gutters box gutters downpipes.

Mark these on the design with an x these are almost always corners where the gutter can t continue since the roof isn t sloping down once you round the corner. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. 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. Most times these style gutters are installed with rectangular downspouts.

They come in 5 inch to 6 inch widths. This gutter section will match all standard 4 in. K style gutter systems so it is ideal for repairs replacement or as an addition to existing systems. Design of roof drainage systems roof drainage the roof is one of the most essential parts of a building as it protects occupants contents and interior of the structure from the elements.

If a roof s various drainage areas call for different size gutters go for the biggest one k style. For animal waste management use the 25 year frequency 5 minute rainfall. Choose the 10 year frequency 5 minute rainfall see chart 1. Slope of the roof.

Record this on line 1 of worksheet 1. The traditional k style gutter profile adds a functional yet decorative touch to your roofline. Design guide md 1 roof gutter d esign method nrcs engineering maryland october 2004 page 4 roof gutter design instructions 1. Gutter sections are made from these 10 ft.

Step 4 measure the distance in feet between two x marks where a gutter will be installed. The design roof area is divided by the area of roof shown in table 10a column a2 or b2 see discussion above to give the minimum required area for each downspout. The e z gutter guards are designed to simply snap onto the existing gutter profile so no fasteners are required. Add one foot to the measurement for every turn in the gutter.

Gutter sections are made from 28 gauge galvalume steel. Maximum length of gutter.