Chimney Sweeping & Repair in Dearborn, MI

Winters are long: the Detroit Metro Ap station averages 120 nights a year at or below 32°F and 45 at or below 20°F.^1,2 In long winters, chimneys work hard and masonry sees many freeze-thaw cycles; annual inspection and a sound cap and crown are the maintenance baseline. The median home in the city of Dearborn was built in 1952, older than the U.S. median of 1980 and older than the Michigan median of 1972.³ Older masonry chimneys may be unlined or have cracked clay tile liners; a Level 2 camera inspection is the standard way to confirm the liner before the first fire of the season.

The stock is old by national standards: 84% of Dearborn's housing units were built before 1980 (U.S. 50%), and only 3% since 2010.³ Pre-1940 chimneys were often built without a liner at all; relining with stainless is the usual remedy when the scan shows bare brick. Annual precipitation is about 34 inches, with 6 days a year bringing an inch or more.^1,2 Snowfall averages about 45 inches a year.^1,2 Snow sitting against the stack keeps masonry wet for weeks; a cap, a sound crown and sealed counterflashing are what keep it out.

Heating dominates the year: about 6,067 heating degree days against 847 cooling degree days (base 65°F).^1,2 In a heating-led climate, insulation and air sealing carry most of the energy-code weight for any work that opens the envelope. Building permits in Dearborn are normally issued by the city building department.^4,5 Where a liner or rebuild needs a permit, the contractor files it with the city before work starts.