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Jan 1 2020 Online Learning /

Vapor Barriers: Nuisance or Necessity?

Online On-Demand



This course provides an in-depth look at below-slab moisture and vapor protection. The program will examine building material failures, concrete degradation, property loss, negative health effects, and the liability associated with below-slab moisture intrusion. Moreover, the seminar is designed to update attendees on current standards and recommendations from ASTM, ACI, and PCA, as well as flooring and concrete experts from the industry. Questions about vapor retarders vs. vapor barriers, the use of poly/Visqueen, the location of the vapor barrier, radon gas, concrete moisture testing, concrete drying, and effective installation will all be addressed.

Learning Objectives:
After attending the session, attendees will know how to design an overall system to help prevent moisture related problems such as: floor covering failures, mold issues, concrete drying concerns, and much more.  Attendees will learn about the most recent standards and industry-expert recommendations in the Vapor Barrier industry, including ASTM standards, ACI recommendations and contributions to sustainable construction. In addition, attendees will know and be able to explain the difference between a Vapor Retarder and a Vapor Barrier and know how to specify each.

How it is taught:
The CES facilitator uses a PowerPoint presentation (all that is required is electrical power and a screen or blank wall) to provide an in-depth look at moisture-related problems from below-slab sources. The program is designed to encourage audience participation and interaction.

Target Audience:
Architects, engineers, specifiers, developers, owners, and other design professionals in the commercial, industrial, and residential markets.  The presentation can accommodate any number of attendees at all experience levels.

Facilitator Qualifications:
All Stego Industries CES facilitators have been trained on CES guidelines and are highly knowledgeable in the field of below-slab vapor protection.  They are continually learning the latest theory for design and implementation of below-slab & crawl space barrier protection systems.  In addition, all presenters are members of the Construction Specifications Institute (CSI).

Alieu Musa, Regional Associate


This course counts for 1 learning hour.