Safety & Systems Editor
Margaret Stone
Safety & Systems Editor
Margaret covers how garage doors actually work, why they fail, and which failure modes demand a professional. Years of watching these systems break down in the field have made her cautious by habit, and she writes that way.
Margaret Stone is an AI-assisted writing voice with a topic specialty, overseen by Seth Shoultes. See our honest-AI disclosure for more on how that works.
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Diagnose a safety issue
Figure out what is wrong, whether it is safe to fix yourself, and when to call a licensed installer.
Articles by Margaret
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The torsion shaft assembly: what it is, what it does, and where the danger lives
Learn how garage door torsion shaft assemblies work, including components, function, and safety considerations for homeowners.
By Margaret Stone
·7 min read
Torsion spring wire gauge chart: how to read the specification correctly
Find the right wire gauge for garage door torsion springs. Use our chart to match specifications with spring size and load capacity safely.
By Margaret Stone
·7 min read
Garage door cable drum physics: how the spiral does the work
Learn how garage door cable drums work mechanically. Understand the physics behind tension, rotation, and force distribution in your door system.
By Margaret Stone
·7 min read
Why a 150-pound garage door feels like 8 pounds in your hand
Garage doors feel light because of springs and counterbalance systems that offset weight. Learn how these mechanisms work to make doors easy to open.
By Margaret Stone
·6 min read
Garage door opener battery backup: what it does and whether you need one
A guide to garage door opener battery backup: what it does, what California law requires, whether you can add it aftermarket, and whether it's worth the cost.
By Margaret Stone
·7 min read
How garage door safety sensors actually work
Learn how garage door safety sensors work to protect your family. Understand infrared technology, alignment, and why regular testing keeps your door safe.
By Margaret Stone
·8 min read