How to Repair Siding Corners


Corner sections can be tricky to fix - but it can be done. Repair your damaged siding corners using the following hints.

Things You'll Need

  • Caulk
  • Caulking Guns
  • Pliers
  • Rivet Tools And Rivets
  • Use a utility knife to score both sides of the damaged section from top to bottom. Leave the nailing strips in place.

  • Wiggle the damaged piece with pliers until it comes free.

  • Cut just the nailing strips off of the replacement section.

  • Run a bead of silicone caulk along the flanges (these are the pieces you cut the nailing strips off of).

  • Hold the new piece up to the existing nailing strips and press it into place. The caulk should hold it temporarily.

  • Fasten the replacement permanently by using blind rivets. A long-nose riveter is best for this.

Tips & Warnings

  • Use galvanized hardware to prevent rust.
  • A new blade in your utility knife will work best. Score the plastic with a straightedge, then cut again or snap the plastic by bending it at the score.
  • If you're going to paint the siding, use paintable caulk rather than silicone caulk.
  • Be careful when cutting the plastic with a utility knife.

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