Buffalo Windshield Chip & Crack Repair
Process

How Does Windshield Repair Work — The 5-Step Process

how does windshield repair work

How Windshield Repair Works

Start to finish: about 30 minutes in your driveway. Here's the exact process.

1. Assess in person — no charge, honest read

When I pull up, the first thing I do is look at the damage in good light. I'll tell you straight whether it's a repair or a replacement. If it's borderline, I'll explain what I see and let you decide. If it's a replacement and I can't help, I tell you that too — no charge for showing up, no pressure.

2. Vacuum-evacuate the chip

This is the step most DIY kits skip, and it's why DIY kits fail. Before any resin goes in, the chip has to be completely empty — no air, no moisture, no dust. I use a vacuum bridge that pulls a hard vacuum over the damage for several minutes. That pulls every trapped molecule of air and water out of the break.

If you skip this step, you trap air bubbles inside the repair. Those bubbles are why a bad repair still looks like a chip when it's done.

3. Inject optical-grade resin under pressure

Once the chip is fully evacuated, I switch the bridge from vacuum to pressure and inject an optical-grade resin formulated specifically for automotive glass. The resin flows into every leg of the break — including the hairline cracks you can barely see — and pushes out the last of the air.

I use professional-grade resin sourced from the same supplier the major OEM glass shops use. It's not cheap and you can't buy it at the parts store. That's the difference between a repair that holds for the life of the windshield and a cheap DIY kit that pops back open in a month.

4. UV cure to solid in seconds

The resin cures with ultraviolet light. I clamp a UV lamp over the repair for about 90 seconds and the resin goes from liquid to glass-hard solid. At this point the structural integrity of the windshield is fully restored — the laminated glass is one continuous piece again.

That structural restoration is the whole point of the repair. The cosmetic improvement (chip going from very visible to about 90% invisible) is a nice bonus. The reason your insurance company pays for this is the structure.

5. Polish flush + lifetime warranty

Last step is a finish polish to bring the repair flush with the surrounding glass and clean up the work area. You shouldn't feel a bump when you run a fingernail over the spot.

Every repair I do comes with a lifetime warranty: if the chip ever spreads from the repair site, I'll credit the full cost of the repair toward a replacement. In ten years of doing this, that warranty almost never gets called in — the repairs hold.


If we can repair it, we will. If we can't, we'll tell you straight.

Call or text (716) 548-2683.

30 minutes start to finish.

Assess, vacuum, inject, UV cure, polish. Lifetime warranty on every repair.

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