Flat Roofing & Architectural Sheet Metal: SIA 271, SIA 232/1, and Liquid Applied PMMA/PU
Practical guide for Swiss architectural coppersmiths, flat roofers, and building envelope contractors: flat roof waterproofing per SIA 271, pitched roofing and flashing per SIA 232/1, bituminous, single-ply (FPO/EPDM), and liquid waterproofing (PMMA/PU), emergency overflow sizing, BKP 222, and NPK 363/364.