Glass door and window

8 mm tempered safety glass with factory tinting — heat-treated for impact resistance, tinted in the glass itself (not as a film).

The door and window panels use 8 mm tempered safety glass with factory tinting.

Tempering: Heat-treated for impact resistance and safety. Tempered glass is significantly stronger than annealed glass and breaks into small fragments rather than sharp shards if it does fail.
Tinting: Applied at the factory during manufacture. Tinting is in the glass itself, not a film applied to the surface, so it doesn't peel, fade, or wash off.
Why tempered: Sauna doors and windows experience significant temperature differentials between the cabin interior and the exterior. Tempered glass handles this differential without stress fractures that would form in untempered glass.
Cleaning: See Section 10.9.

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