Corrugated Round Elbows, 4″ x 16 oz. Copper


Our 4″ corrugated round copper elbow is 16 oz.

The average installation requires two elbows at the top and one at the bottom. If you are connecting your downspout into a drain tile, the elbow at the bottom is not necessary.

  • The offset is the measurement of two connected elbows. 40 degree elbows have a 2″–7″ offset; 72 degree elbows have an 8″ offset.
  • The degree of elbow you use is determined by the overhang of your structure.

To determine the overhang, measure the distance between the wall of your building and the back of the outlet. An overhang of 8″ will require 2- 72 degree elbows. If your overhang is greater than 8″ you will need to insert a piece of downspout between the elbows.

An overhang of less than 8″ will require 2- 40 degree elbows. This elbow combination also works when making a transition around a ledge or other protrusions.

40, 72 and 90 degree elbows available.

Also, available in the following material – call for information: 

  • 26ga standard colors 
  • 26ga premium colors 
  • Zinc 
  • 26ga Galvalume 
Category: SKU: EL416CCR


Additional information

Weight 1.25 lbs

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