Label roof or roof segments and calculate.
Gutter roof design.
A k style gutter in the same inch width can handle twice as much water as a half round gutter.
Box gutter and rain water head.
The minimum required size of a gutter is related to the intensity of rainfall and the area of roof that drains into the.
K style gutter systems so it is ideal for repairs replacement or as an addition to existing systems.
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 gutter must be of such a design and location that water from a steep pitched roof will not by its own velocity tend to overrun the front edge 3.
Slope of the roof.
Then use the information below to see what size gutter you need.
Style of gutters to be used.
Constructed from aluminum mesh for long lasting rust resistance.
Gutter sections are made from 28 gauge galvalume steel.
Choose the 10 year frequency 5 minute rainfall see chart 1.
Design guide md 1 roof gutter d esign method nrcs engineering maryland october 2004 page 4 roof gutter design instructions 1.
Record this on line 1 of worksheet 1.
K style gutters are the most common option and they provide optimum drainage for the majority of homes in most of the u s.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
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.
Step 4 measure the distance in feet between two x marks where a gutter will be installed.
They come in 5 inch to 6 inch widths.
See table 10 7a for standard downspout sizes.
Design of eaves gutters box gutters downpipes.
5 inch 5 520 square feet.
All gutters are not effective for their full depth and width 4.
Design of the mesh allows water to flow through while blocking debris.
Most times these style gutters are installed with rectangular downspouts.
Add one foot to the measurement for every turn in the gutter.
The e z gutter guards are designed to simply snap onto the existing gutter profile so no fasteners are required.
For animal waste management use the 25 year frequency 5 minute rainfall.
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.
This gutter section will match all standard 4 in.
Maximum length of gutter.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
The traditional k style gutter profile adds a functional yet decorative touch to your roofline.
Features a curved profile that is held in by tension which makes it easy to snap in and snap out.
