Practical guide for Swiss drywall contractors and acoustic installers: sound insulation per SIA 181, VKF fire-rated ceilings EI 30 to EI 90, suspended ceilings under DIN 18181, NPK 671, and BKP 281.
Practical guide for Swiss master plasterers, renderers, and ornamental stucco craftsmen: interior and exterior plastering per SIA 242, mineral binders under SIA 248, surface quality levels Q1 to Q4, historical stucco restoration, BKP 271/281, and NPK 671.
Operational guide for Swiss stonemasons, stone processing plants, and architectural stone fabricators: natural stone paving under SIA 248, BFU slip resistance classes (R9–R13), rainscreen stone façades under SIA 266, BKP 281, and block slab nesting.