Gutter Run Legnth

The standard is about inch per 10 feet.

Gutter run legnth. If a roof s various drainage areas call for different size gutters go for the biggest one k style. All rain gutter installations are seamless and the gutters are available in an assortment of colors that will accent and compliment any style of house. For a 5 inch k style gutter the square footage should be up to 5 500 sq ft and for a 6 inch k style gutter the square footage should be upto 7 900 sq ft. For half rounds 5 inch should be used for up to 2500 sq feet and 6 inch for up to 3 840 sq ft.

As a general rule gutter slope is set at 1 4 inch per 10 feet of guttering. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Tweak the gutter relation to height to obtain different gutter sizes. A roof of 1 200 square feet in size will collect more water than one that is 600 square feet.

Pitch or steepness also is a factor. Total roof area also affects runoff. Dunno about max length of run for light gage seamless. Increasing the pitch increases a gutter s handling capacity but the gutter may look askew over a long run.

The most common gutter sizes are 5 inches and 6 inches although 4 inches is available as well. 5 inch 5 520 square feet. 6 inch 7 960 square feet. Deduct 2 inches for the downspout fitting at the end of the new run.

For example if you have 30 feet of guttering the calculation is 1 4 x 3 0 75 i e. Rule of thumb we use is no more than 40 between downspouts and as grumpy painfully found out the long you go the more stress you will put on your metal. Water will run off faster from a very steep roof than from one with a gradual slope. Cut the gutter at the mark with a.

This means the downspout end of the gutter should be set 3 4 of an inch lower than the other end. Then use the information below to see what size gutter you need. We bring our machine to your home and run gutters to length to provide the most professional appearance to your home. The slope will take input as either an integer e g.

Maximum gutter per ds refers to the maximum length of gutter that is to be served by one downspout. 3 or a ratio to 12 e g. Downspouts are commonly 2 x 3 inches and 3 x 4 inches in size or 3 or 4 inches in diameter. An inch of rain is not much but it if falls in half an hour it could flood a gutter.

Place a full length piece of pvc gutter upside down on a flat surface and mark it to length.