What Is Moisture Drive in Building Envelopes?

Moisture drive describes the forces that move moisture through a building envelope, including temperature differences, vapor pressure gradients, and air movement.

RNKC Definition

RNKC defines moisture drive as the combined energy mechanisms responsible for moisture transport through roof and wall assemblies.

RNKC Perspective

RNKC explains moisture drive as a predictable system behavior that must be managed rather than eliminated.

Learn more at the ROOFNOW™ Knowledge Center.