How Measure Gutter Size

As a general rule egutter recommends for roof areas that exceed 2800 square feet a 6 k style size with a 3 x 4 downspout size would be appropriate.

How measure gutter size. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. How do you calculate gutter size. Place a sturdy 20 ft 6 1 m ladder on 1. How to measure downspouts.

You can also work with a professional who knows the climate in your area and who understands what size of gutter you need to work with the roof that you have. If a roof s various drainage areas call for different size gutters go for the biggest one k style. The steeper a roof s pitch the more windblown rain it can collect. See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches.

K style sizes will typically range from 5 to 6. Multiply drainage area by 1 3. Adjusting for pitch and rainfall. 5 inch 5 520 square feet.

Move the tape measure so its blade is sitting plumb against the end of the level. 5 inch standard k style gutter shop 5 gutterbrush. Measure your gutter across the top from the back where the gutter meets the home to the outer edge. 6 inch 7 960 square feet.

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. 3 4 inch downspouts likewise a comparison between 3 inch round downspout and 4 inch round downspout. Hold an extended tape measure at the end of the level that is not touching the surface of the roof. If your gutter is 5 inches wide or less you ll need our 5 inch kit.

Place a sturdy 20 ft 6 1 m ladder against the roof and climb. Find the width of the gutters. Calculating the drainage area of a roof. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted.

Gutter size is determined by measuring across the top of the gutter to help you understand gutter measurement and dimensions here is a relative comparison in size between 2 3 inch downspouts vs. 12 inches or more. Then use the chart below to see what size gutter you need. Which size of gutter guard by gutterglove do you need.

Use your tape measure to determine the length of the twine marking down this calculation. 5 10 pack kit 40.