Flat Roof Gutter Size Calculator

Gather some basic weather information to calculate the proper size for gutters and downspouts for a house.

Flat roof gutter size calculator.

Then use the information below to see what size gutter you need. 5 inch 5 520 square feet. Then use the chart below to see what size gutter you need. There are two things you need to know.

5 inch 5 520 square feet. The simple way to calculate gutter sizes. As most roofs are not flat this needs to be calculated we ll show you a simple way. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

And reduction in down pipe size by using a funnel section. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. 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. The effective roof area that will collect the rain which will need to be removed by the guttering.

Simplified app for android phones. The total rainfall and how rapidly it falls will affect the runoff from the roof. Downpipe and eaves gutter calculator valley gutters generic rain water outlets for flat roofs. The area that your chosen guttering system can cope with.

Total roof area also affects runoff. 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. Requires flow to be calculated in one of the other calculators. 6 inch 7 960 square feet.

Water pipe size calculator information video water pipe.