Rules and Formulas                     Door Weight: (1) Divide the total spring(s) IPPT by the cable drum multiplier (2) Multiply the spring IPPT by the number of turns, and then divide by the Hi Moment Arm   High Lift: Measure the distance from the top of the closed door to the bottom of the horizontal track […]

Active Coils: The number of working coils in a torsion spring   Air Infiltration: The leakage or passage of air through a door system   Backroom: Horizontal distance measured into a building from the face of the header above a garage door   Bearing: End Bearing, Center Bearing Nylon Bearing Sealed Bearing Ball Bearing, used […]

Click the link to see video on how to install Threshold Weather Seal  

Step 1 Raise door to chest height. Stop the door and UNPLUG GARAGE DOOR OPENER NOW!     Step 2  Clamp above and below 2nd roller from the bottom of the door.     Step 3 Remove existing weather seal and if present, remove the weather seal retainer as well.   Step 4 Thoroughly clean […]

CAUTION: Repairing a garage door is a dangerous task. Garage door springs are under  extreme tension and require appropriate safety precautions. Realize and  understand the risks before undertaking any repair. Your health and  safety is the #1 concern. No amount of financial savings is worth  jeopardizing your health.  Working on or around garage doors and […]