Selecting the Correct Underslab Membrane (Virtual AIA)

Selecting the Correct Underslab Membrane
Host: Peter Weeks

The first line of defense for protection of a building and its occupants starts below the concrete floor slab. Recently, not only has the concern been water and water vapor, but also other soil contaminants. Radon and methane, two naturally occurring contaminants, have been identified as being major issues for occupant health and safety. The continued construction in densely populated areas have dictated that brownfield sites are developed, bringing into play other types of contaminants in the form of hydrocarbons. This presentation will address the origin of these various contaminants and their effects, along with differentiating between an underslab moisture barrier and an underslab gas barrier. In addition, specific materials and their installation details will be discussed providing complete underslab protection. This program is registered with the AIA/CES for continuing professional education and is HSW-approved. The course earns one learning unit (LU).

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