Rain Gutter Sizes

Most downspouts are rectangular but they can also be round or square.

Rain gutter sizes. 6 inch 7 960 square feet. K style sizes will typically range from 5 to 6. Then use the chart below to see what size gutter you need. Half round 5 inch 2 500 square feet 6 inch 3 840 square feet.

The larger a gutter downspout the more water it can drain quickly. Measure your gutter across the top from the back where the gutter meets the home to the outer edge. 7 and greater are appropriate for churches and larger commercial buildings. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

If a roof s various drainage areas call for different size gutters go for the biggest one k style. However too large a gutter downspout can look unattractive. 5 inch standard k style gutter shop 5 gutterbrush. 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.

5 inch 5 520 square feet. You should have enough gutter downspouts to effectively handle the size of your entire gutter system. Aluminum gutters come in three standard thicknesses 025 inch 027 inch and 032 inch.