How Measure Gutter Size

Measure your gutter across the top from the back where the gutter meets the home to the outer edge.

How measure gutter size.

Measuring existing gutters 1. Place a sturdy 20 ft 6 1 m ladder on 1 side of your house so that you can reach. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Measure the height of.

Adjusting for pitch and rainfall. See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches. How do you calculate gutter size. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted.

The steeper a roof s pitch the more windblown rain it can collect. Use your tape measure to determine the length of the twine marking down this calculation. If a roof s various drainage areas call for different size gutters go for the biggest one k style. Measure length of twine mark the measurement with a piece of tape and then pull the twine off of the other end of the gutter.

5 inch 5 520 square feet. Measure the length of each gutter run. Then use the chart below to see what size gutter you need. How to measure downspouts.

Run the tape measure from 1 corner of the gutter as far as you can go toward.