Rain Gutter Sizes

6 inch 7 960 square feet.

Rain gutter sizes.

K style sizes will typically range from 5 to 6. Measure your gutter across the top from the back where the gutter meets the home to the outer edge. Gutter downspout sizes are 3 to 6 inches. Aluminum gutters come in three standard thicknesses 025 inch 027 inch and 032 inch.

Then use the chart below to see what size gutter you need. However too large a gutter downspout can look unattractive. 7 and greater are appropriate for churches and larger commercial buildings. If a roof s various drainage areas call for different size gutters go for the biggest one k style.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Most downspouts are rectangular but they can also be round or square. 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.

The larger a gutter downspout the more water it can drain quickly. Aluminum is the most popular material for rain gutters whether seamed or seamless. Half round 5 inch 2 500 square feet 6 inch 3 840 square feet.