Then use the information below to see what size gutter you need.
Box gutter size calculator.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
Downpipe eaves gutter long straight eaves gutters box gutter to rain water head box gutter vertical faces box gutter side o flow box gutter vertical o flow storm water pipe size storm water network overland flow path spitter upstream end custom rain water head.
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.
The side with the maximum flow is used to size the box gutter.
6 inch 7 960 square feet.
Learn more how to storm water design for building sites.
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.
The total flow is used to size the sump and overflow.
5 inch 5 520 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.
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.
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 chart below to see what size gutter you need.