Repairing and replacing chimney crowns in Biscayne Island
Upfront pricing for crown work, with any extra item explained before it is added to the job.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
What a failing crown shows from the ground
- A flat top with no visible slope
- No overhang past the brick face
- Pieces missing from the crown corners
- Sections of crown that look lifted
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Crown sealing, patching and rebuilding
Forming a new crown in place on the chimney
A cast-in-place crown is built on the chimney. Forms are set around the top, reinforcement is placed, and concrete is poured and shaped. The finished crown should slope away from each flue and overhang the brick with a drip.
Brick industry guidance asks a cast crown to keep the same thickened shape as a precast one, rather than thinning out toward the edge. We explain the shape planned for your chimney before work begins. Exact dimensions follow the construction and the applicable requirements, so they are confirmed on site.
Reinforcing a new crown and its overhang
Reinforcement placed in a crown helps control cracking from shrinkage and from temperature swings. Brick industry guidance adds that the overhanging portion may need extra reinforcement. That is where the concrete has the least support beneath it.
Ask what reinforcement is planned for a cast crown. Your estimate should describe the method rather than only naming concrete. We explain the choice in plain terms, and the written record of the work notes what went into the new top once it is finished.
Booking chimney crown repair in Biscayne Island
Booking crown work in Biscayne Island starts with a call or the form on this page. We ask what you have noticed and arrange a free inspection at a time that suits you. You do not need to prepare the roof.
At the visit, we assess the crown and the parts around it and explain the findings. You receive a written estimate with each item listed. Approve within 72 hours from that free inspection and a 10% discount applies to the services you book.
Renewing a crown coating later on
A crown coating is a protective layer, and its condition should be checked from time to time. Weather, roof traffic during other work and movement of the crown can wear or damage it. A worn area lets water back into the concrete.
During maintenance visits we look at the coating for thin spots, lifting edges or cracks. Local touch-ups may be possible when the base is still sound. We explain whether renewal makes sense and list it separately, so you can see it as maintenance rather than a new repair.
Your crown repair scope in writing
- Reinforcement planned for a new crown
- Water path notes for leak questions
- Mortar wash assessment and removal
- Sealant type and backer material at the flue
Chimney crown questions we hear
How do you decide between coating and a new crown in Biscayne Island?
We check firmness, slope, the edges and the joint at each flue. A sound crown with surface cracks may take a coating. Broken edges, loose sections or no slope point to removal and a new crown. You see the reasoning before you approve either one.
Can I coat the crown myself with a product from the store?
A crown coating only works on firm, clean and dry concrete, and it cannot hold loose pieces together. Roof work also carries real risk. If you are considering it, ask us first whether your crown is a suitable surface for any coating.
What if my chimney has a metal top instead of concrete?
Some masonry chimneys carry a metal or stone top rather than cast concrete. A framed chimney with a sheet-metal cover has no crown at all. We identify which one you have before suggesting any crown work.
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Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo