Rain Gutter Sizes

Aluminum gutters come in three standard thicknesses 025 inch 027 inch and 032 inch.

Rain gutter sizes.

However too large a gutter downspout can look unattractive. Aluminum is the most popular material for rain gutters whether seamed or seamless. You should have enough gutter downspouts to effectively handle the size of your entire gutter system. K style sizes will typically range from 5 to 6.

Then use the chart below to see what size gutter you need. 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. See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches. 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. 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. The larger a gutter downspout the more water it can drain quickly.

If a roof s various drainage areas call for different size gutters go for the biggest one k style. Most downspouts are rectangular but they can also be round or square. 5 inch 5 520 square feet.