Chimney Crown Repair in San Antonio, TX
Alamo Chimney Sweepers repairs and rebuilds cracked and worn chimney crowns in San Antonio, TX. Call or text (210) 899-5993 for a free quote.
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Chimney Crown Repair in San Antonio
Quick answer: The chimney crown is the concrete or mortar slab that covers the top of a masonry chimney around the flue. Its job is to shed rain. When it cracks, water gets into the chimney and damages the brick, mortar, damper and flue liner, so small cracks are worth fixing early.
Signs your chimney crown needs repair
- Hairline or open cracks across the top of the chimney
- Crumbling edges, or pieces of concrete on the roof or in the gutter
- Water, rust or a musty smell in the fireplace after it rains
- White, chalky stains (efflorescence) on the brick near the top of the chimney
- A rusted damper
- Moss or plants growing on top of the chimney
Repair or rebuild?
| Crown condition | Usual fix |
|---|---|
| Small cracks in an otherwise solid crown | Clean, fill and seal the cracks |
| Wide cracks, crumbling or missing sections | Rebuild the crown |
| Crown is flat, too thin or has no overhang | Rebuild with a slope away from the flue and an edge that drips water clear of the brick |
What’s the difference between a chimney crown and a chimney cap?
The crown is the masonry slab that covers the top of the chimney. The cap is the metal cover with mesh sides that sits over the flue opening. The crown keeps water out of the masonry; the chimney cap keeps rain, debris and animals out of the flue. Most chimneys benefit from both.
How do I know if my crown is cracked?
Crown damage is hard to see from the ground. A chimney inspection checks the crown along with the cap, flashing, masonry and flue, so you know what needs repair and what can wait.
Does a cracked crown cause leaks?
It’s one of the most common causes. Water that gets past a cracked crown runs down inside the chimney and can show up as stains on the ceiling or wall near the fireplace, or as water in the firebox. Other common leak points are the flashing where the chimney meets the roof and an uncapped flue. See our chimney repair page for other repairs.
Contact Us For Chimney Crown Repair Service in San Antonio Today
We know what it takes to deliver the best results at the most competitive pricing. Let us take the hassle out of maintaining your chimney system.
Contact us today to schedule your chimney sweep (210) 899-5993.
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