Box Gutter Size Calculator

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.

Box gutter size calculator.

If a roof s various drainage areas call for different size gutters go for the biggest one k style. 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. Then use the chart below to see what size gutter you need. 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. 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. 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. If a roof s various drainage areas call for different size gutters go for the biggest one k style.

Then use the information below to see what size gutter you need. This calculator has been created and designed for excel 2013 for windows. 5 inch 5 520 square feet. It is a ms excel file and uses data contained in ncc volume two for the calculations.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. 6 inch 7 960 square feet. 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.