Commercial Door Closer Repair
$350 - $850Door closers are the most-replaced hardware on any commercial opening, and Toronto freeze-thaw cycles make them leak, slam or fail to latch. Service covers surface-mounted, concealed overhead and floor closers from Dorma, LCN and Hager, including the LCN 4040XP and Dorma 8900 series. Technicians adjust sweep, latch and backcheck valves, swap leaking bodies and confirm fire doors self-close and positively latch to NFPA 80.
Includes: Sweep and latch adjustment·Leaking closer replacement·Arm and drop plate swap·Fire-door latch check
Timeline: Same-day typical; crew of 1
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