Garage Door Installation & Setup Certification

Spring purpose, shaft mounting, IPPT values, winding direction, single vs double springs, matched pairs, and cycle life.

Cable wrapping geometry, drum sizing, drum set screws, cable seating verification, and cable replacement criteria.

Vertical and horizontal track installation, flag brackets, track gauge, spacing, slope, radius, and support hardware.

Section installation, hinge numbering and spacing, roller types, struts, stiles, and fastener selection for various substrates.

Bottom bracket safety, tamper-resistant brackets, weatherseal installation, R-value, thermal breaks, and insulated door maintenance.

Header bracket placement, rail assembly, opener drives, trolley release, force and travel limit setup, and battery backup.

Photo eye mounting, safety edge devices, cable tension monitors, UL 325 entrapment requirements, and warning tags.

Wind-loaded door requirements, high-lift and vertical lift hardware, jackshaft operator mounting, and masonry installation.

Manual balance test, door adjustment, re-torque procedures, photo eye final alignment, and spring specification documentation.