The total flow is used to size the sump and overflow.
Box gutter measurements.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
Then use the chart below to see what size gutter you need.
It is easy to see that you can vary gutter size downspout size and downspout spacing to properly size a gutter downspout system.
6 inch 7 960 square feet.
Find the width of the gutters.
Gutters typically come in 5 or 6 in 13 or 15 cm sizes and can be k style or half round place a sturdy 20 ft 6 1 m ladder on 1 side of your house so that you can reach the gutters.
5 inch 5 520 square feet.
The side with the maximum flow is used to size the box gutter.
By reducing the downspout spacing to perhaps 35lf you could use a 6 gutter with 9 4 x6 downspouts in lieu of an 8 system.
When trying to decide on what commercial gutters you need it is important to realize that the size of the gutters can affect how well they work for you.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
Box gutters are offered in colored kynar material 0 032 aluminum and 24 gauge galvanized steel 24 gauge galvalume plus 0 027 regular standard aluminum colors and in copper both 16 oz and 20 oz.