Moisture damage beneath the flooring surface

Capillary moisture movement beneath concrete slab

Damp foundation after rainfall

Hydrostatic Pressure and Capillary Moisture Movement (Concrete / Substrates)

Floor Detective® Claims and Conditions Guide

Summary

Hydrostatic pressure and capillary moisture movement refer to moisture-related conditions within or beneath a concrete slab that may influence flooring system performance. True hydrostatic pressure involves standing water exerting measurable upward force against a slab. In most flooring claims, visible symptoms are more commonly associated with capillary moisture migration and vapor pressure differentials rather than

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