Companion videos
Short films on how garage doors actually work.
Watch the physics in motion — then jump into the matching interactive lab to play with it yourself.
Garage Door Insulation R-Value Explained
Garage Door Science
Appears in: Energy Efficiency Lab
Spring Safety · Intro
Garage Door Science
Appears in: Spring Fatigue & Cold Weather
Why is my garage door not closing?
A+ Garage Doors, our affiliated installer · YouTube Short
Garage Door ASMR
Garage door sounds up close, recorded by A+ Garage Doors, our affiliated installer.
How to fix garage door eye sensor
Aligning garage door safety sensors, with Zach from A+ Garage Doors, our affiliated installer.
Free Garage Door Inspection Tool — Catch Problems Before They Find You
Garage Door Science
Garage Door Tech, Decoded
Maya Harper · Diagnostics
Appears in: The Science of Garage Doors, Garage Door Anatomy
Garage Door Insulation: The R-Value Guide
Margaret Stone · Safety & Systems
Appears in: Energy Efficiency Lab
Maya's checks for a garage door that won't close
Maya Harper · Diagnostics
Don't Let Your Garage Door Seals Fail
Garage Door Science
Appears in: Energy Efficiency Lab
Garage Door Safety Guide
Margaret Stone · Safety & Systems
Appears in: Safety Systems Lab, The Science of Garage Door Springs, Spring Fatigue & Cold Weather
Light, leaves or cold air getting under your garage door? Which seal to fix
Garage Door Science
Chain, belt or screw drive: which garage door opener is worth it for your garage?
Garage Door Science
Why water drips off your garage door in winter
Garage Door Science
How much will a new garage door cost you in 2026?
Garage Door Science
Garage door frozen to the floor? What to do, and what not to do
Garage Door Science
Garage door spring broke? Why the door won't go up
Garage Door Science
Garage door off its track? What to do first
Garage Door Science
Garage door opens by itself? Check these remotes first
Garage Door Science
What does R-value mean on a garage door, and how much do you need?
Garage Door Science
Spring Tune-Up: Check Your Garage Door Springs Now
Garage Door Science
Noisy garage door? Lubricate these parts, and skip these
Garage Door Science
Is your garage door out of balance? How to check it safely
Garage Door Science
LiftMaster or Chamberlain: which garage door opener should you buy?
Garage Door Science
Garage door spring broke on a cold morning? Why winter snaps tired springs
Garage Door Science
Your garage door won't close or goes back up: what to check first
Garage Door Science
Essential Garage Door Maintenance Tips: Keep It Running Smoothly All Year
Garage Door Science
Garage door opener lifespan: the range and the signs it is tiring
Garage Door Science
Appears in: Garage Door Anatomy
Your garage door's lifespan: the range and what shortens it
Garage Door Science
Garage door stops and goes back up? Check the two sensors
Garage Door Science
Garage door sensor light not glowing? Check the wire
Garage Door Science
The science of garage doors, explained
Garage Door Science
Appears in: The Science of Garage Doors