These glasses are of higher quality, more expensive, and have better appearance, with no distortion of vision at any angle. These glasses are usually glazed with polished plate or float glass . These are widely used in showcase windows, picture windows, and exposed windows in offices and commercial buildings. Thicknesses range from 1⁄8 to 7⁄8 in.

There are two standard qualities, silvering and glazing, the latter being employed for quality glazing.

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