Aluminum Gutter Sizes

Multiply drainage area by 1 2.

Aluminum gutter sizes. Multiply drainage area by 1 1. Multiply drainage area by 1 3. They are low maintenance reliable lightweight and easy to install. Multiply drainage area by 1 05.

Practically speaking though a common gutter size is usually selected and downspout spacing is equal for most buildings. 12 inches or more. K style gutters are the most common option and they provide optimum drainage for the majority of homes in most of the u s. Continuing with our example in the last step we know our gutter downspout system may be subject to as much as 1 880 gallons per minute.

Aluminum gutters come in three standard thicknesses 025 inch 027 inch and 032 inch. For design purposes and aesthetics let s assume you have selected an 8 gutter. Most times these style gutters are installed with rectangular downspouts. Calculate your roof pitch.

While the thinnest aluminum is the least expensive it s also likely to dent or bend.