Crown repair for chimneys in Glenvar Heights
We look at the crown, the flue joints and the brick below before suggesting sealing or a new crown.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
Clues that point to the chimney crown
- Crumbling edges along the crown overhang
- Water standing on the crown after rain
- A crown patch that has cracked again
- Pieces missing from the crown corners
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Reading the crown before choosing a repair
Why a dry crown matters for sealing
Crown coatings are not applied to wet or saturated concrete. The product data also warns against application when rain is expected soon, unless the work is protected with sheeting. Moisture under a fresh membrane can stop it bonding.
We plan coating work for a dry spell and check the surface on the day. If showers move in, we cover the crown or stop and return. That can feel slow, but it protects the result you are paying for. We tell you about any change of date.
Matching the color of a crown repair
The crown coating data sheet we follow lists a light gray color. That product can be tinted with small amounts of standard mortar dye to sit closer to the existing concrete. Tinting is optional and follows the maker's mixing directions.
If the look of the chimney top matters to you, mention it when we review the estimate. We explain whether the selected product allows tinting and what a realistic match looks like. A crown seen mainly from the street often needs less attention to color than one seen from an upper window.
Choosing the sealant for the flue joint
Not every tube of caulk belongs on a chimney top. Brick industry guidance recommends a good grade of polysulfide, butyl or silicone rubber sealant at this joint and warns against oil-based sealants. Proper priming and a backing rope are part of the detail.
We tell you which sealant family we plan to use and why. The joint is cleaned and prepared before the new bead goes in. If an earlier repair used a product that has cracked or hardened, we remove it rather than run a new bead over the top.
The order of work at the chimney top
When several parts at the top need attention, the order matters. Loose brick below the crown is dealt with before anything else. The crown comes next, with its flue joints sealed. The cap and any damper go back on last.
Working in that order avoids fitting new parts over a surface that is about to change. We explain the sequence on your estimate and note which items you have approved. If you choose to delay one item, we explain how that affects the others.
The crown repair items you approve
- Sealant joint around the flue tiles
- Firmness of the existing concrete
- Earlier patches and coatings identified
- Cover over an open chimney each day
Chimney crown work, questions and answers
Can a crown with fine cracks be sealed rather than replaced?
It can, when the concrete around the cracks is firm and the crown still sheds water. A crown coating goes on a clean, dry and sound surface. If the top is loose, hollow or flat, sealing only hides the fault, so we explain replacement instead.
Can a crown be replaced with a precast concrete top?
Where the chimney size and access allow it, a precast crown is an option, and brick industry guidance rates prefabricated tops well. It is set on a mortar bed with a bond break. We explain whether precast or cast in place suits your chimney.
How does the inspection discount apply to crown repair?
Approve crown work in the 72 hours after your free inspection and a 10% discount applies to it. The window runs from your own inspection, and it covers any service on the estimate you book in that time.
More Ways to Care for Your Fireplace
- Wood-Burning Fireplace Insert InstallationFit a wood-burning insert after assessing its host fireplace and full connection requirements.
- Gas Fireplace VentingAssess and repair the gas fireplace vent arrangement using components suited to the identified system.
- Ventless Gas Fireplace ServiceService the identified vent-free appliance without bypassing its required safety components.
- Gas Fireplace InstallationCreate a complete gas fireplace installation plan for the room, appliance and connected systems.
- Chimney Cap Installation and ReplacementProtect the chimney opening with a cap chosen for its fit, attachment and compatible system.
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Local service. Careful repairs. A fireplace worth coming home to.
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Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo