Wood Shrinkage

Cumulative multi-story cross-grain shrinkage from moisture change.

Design diagram — updates live with your inputs

Configuration

Number of floors Stacked levels

Cross-grain depth / floor (in) Sum of plates + sill + bearing that shrink across grain

Initial moisture content (%) At installation

Final (EMC) (%) In-service equilibrium

Shrinkage coefficient (/%MC) ~0.0025 DF/SP average

Serviceability limit (in) Total tolerable cumulative shrinkage

NDS 2018