Glaston FlatGuard Roller Wave & Edge Lift Gauge


Practical, easy-to-use tool for evaluating the flatness of heat-treated glass

Precise Measurement

Easy to Use

Portable & Durable

Reliable results for efficient quality control.


Roller wave distortion and edge lift are common challenges in heat-treated glass, often leading to visual imperfections and assembly complications in laminated or insulated units.

Glaston Roller Wave & Edge Lift Gauge is a high precision measurement tool for tempered glass quality measurement. This handy tool includes both roller wave and edge lift measurement gauges in one compact 420 mm ruler. The gauge is designed for measuring glass quality according to EN standard requirements.