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