Innisfil Garage Door Co.Bulletin 3 of 3Innisfil, Ontario
Commercial Rolling Door Repair: what to note first
A lift truck clipped the lower curtain during unloading.

A lift truck clipped the lower curtain during unloading. Now two slats are bowed, an endlock catches halfway up, and each attempt to cycle the door pulls the damaged section farther toward one guide.
Worth answering before the call
What vehicles and pedestrians normally use this doorway? Does winter moisture, ice or salt collect at the sill? Has manual effort, noise or travel changed gradually?
What gets tested before the door returns to use?
Testing follows the repaired system and can include full travel, curtain tracking, bottom-bar level, open and closed limits, manual effort, brake action, controls, locks, interlocks and protective-device response. Several controlled cycles help reveal repeated contact or noise. The completed record names the checks performed instead of relying on a general statement that the door operates.
What can facility staff check between service visits?
Staff can observe bottom-bar level, new dents or rub marks, guide debris, loose visible fasteners, torn seals, sensor cleanliness, unusual sounds and changes in operating effort. They can keep the sill and doorway clear and record impacts. Spring tension, bracket release and internal repairs remain controlled technician tasks because those areas involve curtain weight and stored energy.