Chimney Crown Repair in Plantation, FL

The chimney crown is the concrete slab that seals the top of the masonry structure around the flue opening, and in Plantation's climate it takes a significant beating. All-day sun exposure causes the crown to expand and contract more than almost any other part of the chimney — the thermal differential between a crown surface in direct July sun and that same surface after a late-afternoon rain shower is extreme. Over years, that cycling opens hairline cracks, and Plantation's humidity does the rest: water enters the crack, sits, and slowly widens it with each repetition of the cycle.

Chimney Crown Repair: What the Work Looks Like

The kind of chimney crown repair work we handle for Plantation homeowners — swipe to see more.

Why Plantation Homes Need Chimney Crown Repair

In the older masonry homes around Plantation Acres and the canal-front neighborhoods, we regularly find crowns that were never properly sloped to begin with — flat or nearly flat crowns are a common shortcut in older South Florida construction, and they hold standing water instead of shedding it. That water seeps into the mortar beneath the crown and works its way into the chimney structure. On newer homes, the problem is more often poor original construction that used a thin, under-reinforced crown that has already begun to crack despite the home's relative youth. We diagnose which situation you're dealing with before recommending a repair approach.

For crowns with limited cracking, we apply a heavy-duty flexible crown coat that penetrates existing cracks and cures to a waterproof, flexible membrane — it handles Plantation's thermal cycling far better than rigid patching compounds. For crowns that have deteriorated beyond surface repair, or that were never built with adequate overhang and slope, we remove and rebuild the crown entirely using a properly formed and poured concrete structure with the correct drip edge. That drip edge is critical: it keeps water from running back against the brick face and entering the mortar joints just below the crown.

Crown repair is one of those jobs where timing matters in Plantation. You ideally want to repair before the summer wet season, not during it — freshly applied crown coat needs adequate dry time to cure properly, and trying to work around daily afternoon thunderstorms extends the timeline and the risk. If you're seeing cracks, white mineral staining on the exterior brick just below the crown, or water in the firebox after heavy rain, those are the signs to call us now rather than in July. We offer free estimates across Plantation and Broward County.

Signs You Need Chimney Crown Repair

• Visible cracks in the concrete slab at the top of the chimney
• Pieces of the crown or concrete debris at the base of the chimney
• Water stains inside the chimney or on the ceiling below it
• Spalling or flaking brick just below the crown

How It Works