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Heat‑treated glass faces visible imperfections from roller‑wave distortion and edge lift. FlatGuard emerged from that real challenge: a compact, durable, easy‑to‑use, combined gauge that measures both parameters with repeatable accuracy, right where production happens.

What’s inside this story:

• The problem: roller‑wave & edge lift
• The idea: simple, robust, field‑ready measurement
• The build: refined through hands‑on testing
• The result: higher quality, greater confidence