
This volume of the NEHRP Recommended Seismic Provisions (FEMA P-1050-2) offers in-depth guidance on the design and construction of wood-frame and steel deck diaphragms for new buildings and other structures. It covers wood structural panels, framing member types, sheathing installation, fastening methods, load paths, and diaphragm boundary elements. The document also discusses integration of wood floor or roof systems with concrete or masonry walls and references standards such as the NDS and SDPWS.