Rain Gutter Sizes

However too large a gutter downspout can look unattractive.

Rain gutter sizes.

5 inch standard k style gutter shop 5 gutterbrush. 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. See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches.

Gutter downspout sizes are 3 to 6 inches. If a roof s various drainage areas call for different size gutters go for the biggest one k style. K style sizes will typically range from 5 to 6. Aluminum is the most popular material for rain gutters whether seamed or seamless.

7 and greater are appropriate for churches and larger commercial buildings. 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. 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.

6 inch 7 960 square feet. Measure your gutter across the top from the back where the gutter meets the home to the outer edge. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.