Bad odors from the fireplace during hot weatherĬhimney crown replacement costs $1,000 to $3,000 on average, depending on the crown size, extent of damage, and accessibility.
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The crown prevents water damage, protects the brick and mortar from deteriorating, and keeps sparks contained.Ī cracked chimney crown that goes unrepaired eventually leads to further structural damage that requires a full crown replacement or rebuilding. Removing algae and moss buildup costs $100 to $300 more.Ī chimney crown is a slab of concrete that covers the top opening. Chimney crown resurfacing costs $600 to $1,200 to fix larger cracks, crumbling, and minor brickwork. Avoid using a damaged chimney untill it's fixed.Ĭhimney crown repair costs $150 to $400 to fill surface cracks with mortar or caulk and apply an elastomeric crown coat sealer.A cracked flue is dangerous and can leak hazardous gasses into the home, causing carbon monoxide poisoning.Small cracks collect creosote and increase the chances of fire.Untreated cracks or leaks lead to water damage, rotting wood, chimney deterioration, and structural damage.Average Cost of Chimney Repair By MaterialĪverage cost of chimney repair National Average Cost.Labor costs depend on the location, accessibility, and scaffolding requirements. *Chimney sweeps may charge $50 to $100 per hour for small repairs instead of a flat rate. Chimney crown or flashing repair costs $200 to $500, crown replacement costs $1,000 to $3,000, cap repair costs $200 to $700, chimney flue repair costs $250 to $1,000, and sealing and waterproofing leaks costs $150 to $400.Ī chimney stack that goes unrepaired for too long may have to be removed ( $800 – $2,000), rebuilt ( $1,000 – $3,500), or replaced ( $4,000 – $15,000). Chimney repair costs $200 to $1,200 on average.
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