Standard Size Of Roof Gutter

If a roof s various drainage areas call for different size gutters go for the biggest one k style.

Standard size of roof gutter. Then use the chart below to see what size gutter you need. The slope of the roof and size of the gutter affect the gutter drainage capacity. Residential sizing samples are available to check the optimal fit but in most cases the 5 half round gutter requires standard gutterbrush for 5 gutters 4 25 dia while the 6 half round gutter requires oversized gutterbrush for 6 gutters 5 25 dia. Metal corrosion issues all gutter and components must be the same to prevent electrolysis or electrical corrosion.

While a certain shape and size may come to mind when you think about gutters these water bearing troughs can be many different shapes and sizes. 5 inch 2 500 square feet. Now architects engineers designers and contractors can easily and accurately size downspouts and gutters according to the specifications in smacna s architectural sheet metal manual 7th edition 2012. Now finally you can find the appropriate gutter size by looking at the following figures showing the relationship between different gutter systems and the roof area they ll be able to drain.

5 inch 5 520 square feet. That is to say. 5 inch 5 520 square feet. Hold one end of the level against the roof level it and then measure the distance between the roof and the underside of the level at its midpoint which.

A larger sized gutter and downspout will work better in locations that experience heavy or prolonged rainy seasons. 6 inch 7 960 square feet. 6 inch 7 960 square feet. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

The downspout and gutter sizing calculator is located on the tools cad and apps page of the smacna website. You can measure pitch with a 2 foot level and a tape measure. Together they can remove water from the gutter faster thus improving the efficiency of your gutter system. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

If frequent heavy showers occur where you live then a down spout with a bigger size would prove more suitable. As a general rule egutter recommends for roof areas that exceed 2800 square feet a 6 k style size with a 3 x 4 downspout size would be appropriate. Roof pitch matters when you re considering the size of your future gutters. Roof pitch is very important for right roof gutter sizing.

6 inch 7 960 square feet. If a roof s various drainage areas call for different size gutters go for the biggest one k style. Is a gutter just a gutter. The steeper a roof s pitch the more windblown rain it can collect.

Then use the information below to see what size gutter you need.