How To Measure Gutter Downspout Size

Place a sturdy 20 ft 6 1 m ladder on 1 side of your house so that you can reach.

How to measure gutter downspout size.

Make sure the downspout size suits the bottom width of the gutter so that a tight fit is achieved. Find the width of the gutters. 6 inch 7 960 square feet. The steeper a roof s pitch the more windblown rain it can collect.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted. Then use the chart below to see what size gutter you need. Make sure the downspout diameter is consistent throughout its length. The second most common style of downspouts in urban homes is the rectangular downspout coming under a range of sizes such as 2 3 3 4 and 4 5.

How to calculate gutter and downspout capacity step 1. Don t use downspouts measuring less than 7 square inches in diameter except for with small areas like a porch or canopy. Measure your gutter across the top from the back where the gutter meets the home to the outer edge. This is the area where the water will run off.

Now that we are well aware of the various gutter downspout sizes and styles let us dig deeper into the materials used for effective downspouts and how much they shall cost. Multiply length peak to. Measure the length of each gutter run. 5 10 pack kit 40.

Once you get the peak to eave length multiply it by the width to determine the square footage. Run the tape measure from 1 corner of the gutter as far as you can go toward. If your gutter is 5 inches wide or less you ll need our 5 inch kit. You ll need to measure the roof to determine the watershed area.

If a roof s various drainage areas call for different size gutters go for the biggest one k style. Measuring existing gutters 1. Rainfall intensity is measured in a 5 minute interval translated. Measure the roof to get the watershed area the area from which water will run off.

5 inch 5 520 square feet. Adjusting for pitch and rainfall. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Find the rainfall intensity for your locale.

Which size of gutter guard by gutterglove do you need. Measure the height of.