How To Measeur Rain Gutter

Hold another elbow against the house and cut a piece of downspout to fit between the two elbows.

How to measeur rain gutter.

Rain gutters can vary in size. How to calculate gutter and downspout capacity step 1. Multiply length peak to. You ll need direct access to the gutters so a ladder is going to be a critical tool to have on hand.

Make a mark with chalk and record the measurement. Measure your gutter across the top from the back where the gutter meets the home to the outer edge. Tools you ll need to measure the rain gutters and downspouts ladder. If the gutter run measures longer than 40 feet 12 2 m it should be positioned to pitch down from the middle aimed toward a downspout at each end.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Measure from the chalk mark to the opposite corner of the gutter making another chalk mark and moving the ladder again if necessary. The steeper a roof s pitch the more windblown rain it can collect. 5 inch 5 520 square feet.

Find the rainfall intensity for your locale. 6 inch 7 960 square feet. Screw a downspout elbow to the outlet tube protruding down from the gutter. Rain gutters should be attached to the fascia and run the entire length of the roof ending with a downspout.

Use a measuring tape to determine the length of the gutter. Adjusting for pitch and rainfall. Run the tape measure from 1 corner of the gutter as far as you can go toward the opposite corner. 5 inch standard k style gutter shop 5 gutterbrush.

If a roof s various drainage areas call for different size gutters go for the biggest one k style. See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches. Rainfall intensity is measured in a 5 minute interval translated. Measure the diameter of the gutter.

Secure the downspout outlet to the gutter with four pop rivets or screws. A tape measure is necessary in order to determine lengths accurately. If you can find one that is at least. If a new home is purchased but the sizing isn t known take a ladder and climb up with a measuring tape.

Measure the roof to get the watershed area the area from which water will run off. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted. Typically gutters range in size from 10 to 15 cm 4 inches to 6 inches. Then use the chart below to see what size gutter you need.