How NYC Winters Damage Parapets (and What to Watch For)

NYC winters are one of the hardest things a parapet endures. Understanding the damage helps you catch it before it becomes dangerous.

The Freeze-Thaw Cycle

Water seeps into cracks and mortar joints, then freezes and expands. Repeated over a winter, this widens cracks, pushes bricks apart, and erodes mortar.

Spring Warning Signs

• New or widening cracks in the masonry
• Loose, spalling, or flaking bricks
• White efflorescence (salt deposits) signaling water intrusion
• A parapet that looks bowed or leaning
• Crumbling mortar joints

Why Spring Is the Time to Look

Damage done over winter shows up in spring. Catching it early means simple repointing instead of a costly rebuild — and time to fix it before the year-end deadline.

Get a post-winter check: Book now — (516) 591-3550, code PARAPET50 for $50 off.