GENERAL CONCRETE MOISTURE FACTS

Capillary Action

Capillary action is often underestimated and can be very

serious. Moisture can come from a water table as much as 20 feet

below the ground surface

CONCRETE MOISTURE FACTS

Hydrostatic Pressure

Moving water that is forced up through the slab by the weight of water in the soil surrounding the foundation.

CONCRETE MOISTURE FACTS

Hydraulic Pressure

The action of at least two solid surfaces that act upon

water to force it, under pressure, in a particular

direction

CONCRETE MOISTURE FACTS

Leakage

Water traveling from a higher to a lower level due to gravity.

May be due to rain, flooding, sprinkler systems, runoff, poor

landscaping, etc.

CONCRETE MOISTURE FACTS

Water Vapor or Vapor Emissions

These act according to the physical laws of gasses or chemical

equilibrium. Water travels from one area to another whenever a

difference of vapor pressure exists.

CONCRETE MOISTURE FACTS

SALTS

Moisture present in building materials always carries soluble

and insoluble salts. The most common are sodium chloride,

calcium sulfate, calcium carbonate, and magnesium sulfate.

CONCRETE MOISTURE FACTS

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