Within the range of the WSS quality-management,
development, construction and production are certified
according to DIN EN ISO 9001.

WSS products constantly meet the currently required
quality- and operation-guidelines.

Certificates – Downloads:

Certificate DIN EN ISO 9001 (150 KB)

Certificate DIN EN 179 (622 KB) - Tubular frame - only available in German language

Certificate DIN EN 1125 (117 KB) - Tubular frame an Timber door - only available in German language

Certificate DIN EN 179 (131 KB) - SiPanic and Timber door - only available in German language

Certificate DIN EN 1125 (63 KB) - SiPanic -only available in German language

Certificate DIN EN 179 (381 KB) - Multi-point-lock - only available in German language