Cracked chimney crowns from freeze-thaw cycles
Why it happens here
Water gets into small cracks in the crown, freezes overnight, and expands. That makes the crack bigger. After a few winters, the crown is cracked all the way through. Pineview gets enough freeze-thaw cycles to make this happen faster than in warmer areas.
Our approach
We rebuild the crown with chimney crown mix, slope it so water runs off, and seal the edges. We also apply a flexible sealer that can handle minor movement. A new crown should last 15 to 20 years if it is maintained.