Rain Gutter Width
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See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches.
Rain gutter width. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. A k style gutter in the same inch width can handle twice as much water as a half round gutter. Downspout sizes must not exceed the bottom width of the gutter. Measure your gutter across the top from the back where the gutter meets the home to the outer edge.
They can be 4 5 or 6 inches. 6 inch 7 960 square feet. K style gutters are the most common option and they provide optimum drainage for the majority of homes in most of the u s. Furthermore the standard norm for gutters among many in the rain carrying industry is to allow 1 square inch of outlet opening in the gutter for every 100 square feet of roof area being drained.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Then use the information below to see what size gutter you need. Gutters come in different sizes. 5 inch 5 520 square feet.
If a roof s various drainage areas call for different size gutters go for the biggest one k style. Roof slope rainwater must not overrun the front edge of the gutter. Most times these style gutters are installed with rectangular downspouts. Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in size.
They come in 5 inch to 6 inch widths. 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.