Flat Roof Gutter Size Calculator

If a roof s various drainage areas call for different size gutters go for the biggest one k style.

Flat roof gutter size calculator.

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. Simplified app for android phones. Water pipe size calculator information video water pipe.

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. 6 inch 7 960 square feet. Requires flow to be calculated in one of the other calculators.

The simple way to calculate gutter sizes. The area that your chosen guttering system can cope with. Total roof area also affects runoff. Gather some basic weather information to calculate the proper size for gutters and downspouts for a house.

There are two things you need to know. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. An inch of rain is not much but it if falls in half an hour it could flood a gutter. 5 inch 5 520 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. Downpipe and eaves gutter calculator valley gutters generic rain water outlets for flat roofs. The effective roof area that will collect the rain which will need to be removed by the guttering. 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.