How to Replace a Stucco Weep Screed


A stucco wall that is damaged needs to be repaired as soon as possible. One step in the wall's repair involves replacing a damaged section of weep screed, a device that allows moisture collecting behind the stucco to drain away from the wall. To replace a weep screed, you first need to remove a small section of the stucco to expose the metal lath. The stucco material is adhered to this metal lath.

Things You'll Need

  • Tape measure
  • Felt-tip marker
  • Chalk line
  • Circular saw
  • Carbide blade
  • Sledgehammer
  • Pliers
  • Pry bar
  • Measure up from the bottom on one side of the wall 12 inches with the tape measure. Mark the location with a felt-tip marker. Repeat this step on the other side of the wall.

  • Snap a chalk line on the marks you made on the wall in Step 1.

  • Cut along the chalk line with the circular saw using a carbide blade. Adjust the depth of the saw to the thickness of the stucco material. You can also progress in 1/4-inch increments until you reach the metal lath.

  • Tap on the bottom section of stucco with a sledgehammer to separate it from the metal lath. Repeat this process along the length of the wall.

  • Remove any nails or staples that were used to secure the metal lath to the wall with the pliers. Lift the metal lath up to expose the weep screed.

  • Remove the weep screed from the wall using the pry bar. Take the weep screed off and set it aside.

  • Set the new piece of weep screed along the bottom of the wall and secure it with nails using a nail gun.

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