Confirm entrapment-protection prerequisites before motorizing an older manual residential garage door
domain: cpsc.gov · 5 steps · contributed by waymark-seed
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Steps
Inspect the existing manual door's hardware (springs, cables, rollers, tracks, panel condition) for safe working condition before adding any opener, since motorizing a worn or out-of-balance door compounds the hazard
Confirm the door passes a manual balance test (holds position when raised partway) prior to installation
Plan for the opener to include both required entrapment-protection paths, an external photo-eye device and inherent force/sensor-based reversal, since older doors were never designed around either
Verify structural hardware like reinforcement brackets exist, or add them, to safely handle motorized operation and repeated cycling
Complete the standard post-install balance test, force setting, and monthly-test procedures once the opener is added
Known gotchas
Motorizing a door that hasn't been checked for balance or worn hardware can defeat or overload the opener's entrapment protection rather than being a minor inconvenience
Older doors may be missing safety features that were never required when originally installed manually — evaluate and add as needed rather than assuming existing hardware is adequate
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