Chimney crowns assessed and repaired in Riverland Village
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
When the crown at the chimney top needs work
- A crack running outward from a flue
- Moss or growth holding on the crown
- A crown patch that has cracked again
- Pieces missing from the crown corners
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Getting the chimney crown right in Riverland Village
Fine surface cracks on an otherwise firm crown
Hairline cracks are common in cast concrete. Brick industry guidance treats shrinkage of a cast crown as certain while it cures. The question is whether the cracks stay shallow or reach through the crown.
On a firm crown with fine surface cracks, a brushable crown coating can bridge them and keep water out. We confirm that the concrete around each crack is sound before recommending it. If the cracks open into loose sections, a coating is the wrong tool, and we explain the alternative.
Flashing beneath a new cast crown
Brick industry guidance highly recommends flashing under a cast-in-place crown and notes that it can also serve as the bond break. The layer separates the new concrete from the brick and helps keep water out of the wall below.
This flashing is different from the roof flashing where the chimney meets the roof. We explain both terms so your estimate does not blur them. If the roof flashing also needs work, it appears as a separate item, and the crown scope stays limited to the top.
Crown work and a damaged flue liner
The crown surrounds the top of the flue liner, but it does not repair the liner. A cracked tile, a gap between tiles or a liner that has broken at the top are flue problems. They need their own assessment.
When we see liner damage during crown work, we describe it and explain its effect on the crown plan. Sometimes the liner top must be dealt with before the new crown can be sealed to it. That work is priced separately so you can see how the two jobs relate.
Crown work and water repellents for brick
A water repellent on the chimney brick and a coating on the crown are different treatments. The crown coating is a flexible membrane over the top. A repellent for brick soaks into the face and should still let the masonry release water vapor.
Brick industry guidance advises repairing cracks, joints and flashing before any repellent is considered, and waiting after repairs to see whether it is needed. We follow that order. The crown is repaired first, and brick waterproofing is discussed later as a separate item.
Separate lines for crown, cap and flue
- Formwork for a cast-in-place crown
- Protection for roof covering and brick faces
- Debris removal and haul-away
- Written record of completed crown work
Chimney crown work, questions and answers
How do you decide between coating and a new crown in Riverland Village?
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.
Can crown repair stop the stain on my ceiling?
It can, if the crown is the confirmed entry point. Stains near a chimney can also come from flashing, the cap or the brick face. We explain which parts we checked, and we add a hose water test only if this job calls for one.
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Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo