The cost to repair flashing around a chimney typically ranges from $300 to $1,500, with a national average around $800. The final price depends heavily on the chimney's accessibility, roof pitch, materials used (like aluminum, copper, or galvanized steel), and the extent of corrosion or damage. Minor resealing with new caulk is on the lower end, while a full replacement of custom-fabricated, step-flashing integrated with shingles costs more. It's a critical repair to prevent costly water damage to your roof deck, attic, and interior walls. For a detailed breakdown of repair methods and why professional installation is essential, see our internal article Chimney Flashing Repair.
A professional roofing contractor specializing in metalwork and chimney systems is the correct expert to repair flashing around a chimney. This is a critical task, as improper flashing is a leading cause of roof leaks. The repair involves removing old sealant and damaged metal, then fabricating and installing new, custom-fitted flashing—typically from galvanized steel, aluminum, or copper—that integrates seamlessly with the shingles and chimney masonry. Proper installation requires understanding step flashing, counter-flashing, and cricket construction to ensure water is effectively diverted. For a detailed guide on this essential maintenance, see our internal resource Chimney Flashing Repair.
Yes, chimney flashing can absolutely be repaired, and addressing it promptly is crucial to prevent extensive water damage to your roof, attic, and home interior. The repair process involves carefully removing the old, compromised flashing, cleaning and preparing the chimney and roof surface, and installing new flashing material—typically galvanized steel, aluminum, or copper. It is a precise job that requires proper integration with the roof shingles and sealing with high-quality roofing cement or sealant. For a detailed guide on the steps and importance of this repair, please refer to our internal article Chimney Flashing Repair. This is not a typical DIY project; hiring a professional roofer ensures the repair is watertight and meets building code requirements.
The cost to redo chimney flashing varies significantly based on material, roof complexity, and labor rates. On average, homeowners can expect to pay between $300 and $1,500, with a typical range of $800 to $1,200 for a complete professional job. Simple repairs with aluminum or galvanized steel are on the lower end, while custom copper flashing or work on steep, multi-pitch roofs increases the price. It's a critical investment, as improper flashing is a leading cause of roof leaks. For a detailed breakdown of repair methods and why proper installation is essential, refer to our internal article Chimney Flashing Repair. Always get multiple quotes from licensed, insured roofing contractors.
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