Castle Knowledge Hub

Field-tested guides from our technicians to keep your door safe and quiet.

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Garage door rollers and track hardware close-up
Troubleshooting

Why Is My Garage Door So Loud?

Grinding, squeaking, rattling, or banging — identify the noise and fix the problem.

April 2026 • Castle Garage Doors & Gates
Closed garage door on a residential home
Troubleshooting

Garage Door Won't Open? Step-by-Step Fix

Systematic troubleshooting when your garage door refuses to open.

April 2026 • Castle Garage Doors & Gates
Torsion spring mounted on a steel shaft above a garage door opening
Safety

Springs: The Most Dangerous Part of the Industry

Why garage door springs demand professional handling — not a DIY project.

March 2026 • Castle Garage Doors & Gates
Close-up of a broken garage door torsion spring with visible gap
Repair

How to Know If Your Garage Door Spring Is Broken

Learn the telltale signs of a broken or failing garage door spring, and what to do next.

March 2026 • Castle Garage Doors & Gates
Old weathered garage door showing signs of age and wear
Safety

When a Garage Door Becomes Unsafe to Repair

Safety and economic thresholds that mean it's time to replace, not repair.

March 2026 • Castle Garage Doors & Gates
Castle Garage Doors service truck with branding
Policy

Warranty & Compliance: What Castle Covers

CSLB licensing, parts warranties, labor guarantees, and safety standards.

February 2026 • Castle Garage Doors & Gates
Garage door safety sensor at bottom of track
Troubleshooting

Garage Door Won't Close? Here's What to Check

Troubleshooting steps when your garage door refuses to close all the way.

February 2026 • Castle Garage Doors & Gates
New garage door installed on a San Diego-style home
Installation

How Much Does a New Garage Door Cost in San Diego?

A realistic breakdown of garage door costs for San Diego homeowners in 2026.

March 2026 • Castle Garage Doors & Gates
Technician lubricating garage door spring during maintenance
Maintenance

How Often Should You Service Your Garage Door?

A simple maintenance schedule to keep your garage door running safely for years.

February 2026 • Castle Garage Doors & Gates
Row of different garage door styles on residential homes
Installation

Choosing the Right Garage Door Material

Steel vs. wood vs. aluminum vs. composite: pros, cons, and best uses.

January 2026 • Castle Garage Doors & Gates
Automatic wrought iron driveway gate on residential property
Gates

Electric Gate vs Manual Gate: Pros and Cons

Deciding between a manual and automatic gate? Here's what to consider.

January 2026 • Castle Garage Doors & Gates

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