When to Repair or Replace a Windshield in Redwood City, CA

Posted on: May 12, 2025 | Category: Tips and Guides


Glass technician replacing windshield on a Subaru sedan


Wondering whether to fix that chip or go for a full windshield replacement? Knowing when to repair or replace a windshield isn’t always obvious. Choosing between windshield repair vs. replacement can be tricky, but with the right info, you can make the safest, most cost-effective choice for your vehicle.


At Duran’s Auto Glass, we serve Redwood City and nearby areas with expert guidance and service for everything from minor damage to full glass replacement. This guide covers when to repair, when to replace, and how to make the best decision for your car.

Repair or Replace a Windshield — What’s the Difference?

Repair

A repair is ideal for:

  • Small chips (smaller than a quarter)
  • Short cracks (under 3 inches)
  • Damage away from the driver’s line of sight

Pros:

  • Faster and cheaper
  • Keeps your original factory seal
  • Environmentally friendly

Cons:

  • May leave slight visual blemishes
  • Not suitable for long cracks or edge damage

Replacement

A replacement is necessary when:

  • Cracks are longer than 6 inches
  • Damage blocks your vision
  • The glass is shattered or compromised

Pros:

  • Restores full structural integrity
  • Improves visibility
  • Supports advanced driver-assistance systems (ADAS)

Cons:

  • Slightly higher cost
  • Takes longer to complete

Still unsure? Our windshield repair guide breaks it down even further.

Glass Repair Myths You Shouldn’t Believe

There are a lot of glass repair myths out there—like "a chip won’t spread" or "DIY kits are just as good." These can lead to safety risks or more costly damage later.

Professional technicians at Duran’s assess the damage and use proper materials to ensure your glass repair or replacement meets industry safety standards.

Windshield Types Matter — Toyota, Subaru, Audi & More

Different vehicles require different glass types. For instance:

  • Toyota and Subaru models often use laminated glass with ADAS features
  • Mercedes-Benz and Audi windshields may include rain sensors or heating elements

It’s essential to match the glass to your specific make and model. Our technicians are trained to work on all major brands.

FAQs – When to Repair or Replace a Windshield

How do I know if my windshield needs replacing?

If the crack is long, near the edge, or in your line of sight, it’s usually safer to replace. Our team can assess it on-site or at your location.

Is repairing a windshield as strong as the original?

Yes, if done properly. Repairs restore structural integrity—but only for minor damage. Deeper cracks require full replacement.

What if it rains before I fix my windshield?

Moisture can seep into cracks and weaken the glass. It’s best to repair or replace as soon as possible. Learn more about this in our post on repair or replacement after rain.

Get Reliable Windshield Advice in Redwood City, CA

Still asking yourself whether to repair or replace glass? Duran’s Auto Glass makes it easy with honest recommendations, fast service, and expert support. We even offer mobile repair options to fit your schedule.

Contact us today or visit our Redwood City location for windshield repair and replacement services.

Posted on: May 12, 2025