5 inch 5 520 square feet.
Box gutter size calculator.
6 inch 7 960 square feet.
Based on the location roof design and overflow types the calculator provides the allowable gutter types downpipe sizes and whether the selected overflow measures are adequate.
Northclad gutter size requirement calculator this calculator uses current data to calculate the required size of gutter as well as number and size of downspouts based on your input.
Then use the information below to see what size gutter you need.
The side with the maximum flow is used to size the box gutter.
5 inch 5 520 square feet.
It is a ms excel file and uses data contained in ncc volume two for the calculations.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
The total flow is used to size the sump and overflow.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
This calculator has been created and designed for excel 2013 for windows.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
This free online box gutter calculator will calculate the size of box gutters and sumps with a side overflow in accordance with the australian plumbing code as nzs 3500 3 2003 part 3 storm water drainage.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
We recommend using this calculator as a basic tool to begin determining the requirements for your drainage system however all information should be verified by.