Interactive labs

Nine hands-on ways to understand your garage door.

Each lab is self-contained — click in, play with the physics, read the callouts. No math required.

How springs, cables, and counterbalance let a 150-pound door lift with one finger.

Torsion and extension springs explained — IPPT, cycle life, wire gauge, and what actually fails.

Heat transfer visualized. See how R-value, panel construction, and seals cost or save you money.

Personalized payback on a new door — insulation savings, resale lift, and curb appeal.

Commercial rolling-steel doors in 3D. Coil, guides, curtain, barrel, drums — click any part.

Why garage door springs break on the first cold morning of the year.

Photo-eye sensors, auto-reverse, and the UL 325 safety codes that prevent injuries.

Walk through a full door installation — tools, sequence, and common mistakes.

A hands-on demo of stored energy — the same physics that moves your garage door.