External Blinds & Solar Shading Automation: Swiss SIA 342, Wind Resistance under EN 13659 & BKP 226
Operational guide for Swiss external Venetian blind fitters, solar shading contractors, and building automation specialists: external louvres and awnings under SIA 342, wind resistance classes under SN EN 13659, thermal g-tot values under SIA 382/1, KNX/SMI smart drives, and BKP 226.