Stonemasonry & Natural Stone Estimating: Swiss SIA 248, BFU Slip Resistance, Anchoring & BKP 281
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.