Skip to main content
Add as a preferred source on Google

Preventing Moisture-Related Flooring Issues

Concrete slabs are the most common flooring base used in a range of buildings, including schools. Unfortunately, excessive moisture found in concrete slabs prior to a flooring installation can cause significant floor-covering system failures such as debonding of coatings, microbial growth and flooring expansion.

There are several steps that can be taken to mitigate and potentially prevent moisture issues before a floor covering is installed. These apply to either new or remodel projects.

The first step is to conduct moisture testing. Substrate surfaces must be tested for moisture emission prior to starting the installation. Most manufacturers and flooring installation contractors recommend relative humidity probe moisture testing, as the results of this type of test are typically more accurate, reliable and consistent than other testing methods.

If moisture emission is discovered then proper precautions, such as the use of several topical applications prior to the flooring installation, can be used for moisture mitigation. Some of these topical applications include using reactive penetrants and moisture-retarding coatings.

Finally, consider selecting a floor covering that has a higher tolerance for moisture and can perform on concrete slabs with elevated relative humidity levels. Some flooring options, such as textile composite flooring, perform in areas with elevated moisture. The breathable nature of these flooring products allows moisture to pass through the backing rather than trap it underneath. This method of vapor transmission enables the flooring to be installed with no moisture mitigation as long as the relative humidity test reads 95 percent or below.

Taking these steps prior to installation can save money and mitigate potential flooring system failures.

This article originally appeared in the issue of .

About the Author

David Daughtrey is the director of business development for education with J+J Flooring Group.

Featured

  • How a Portable Sink Helped an Art Classroom Run More Smoothly

    Classroom design decisions can have outsized effects on instructional time and safety at schools juggling mismatched infrastructure, strict budgets, and crowded schedules — particularly in the arts. Between spilled paint and dirty brushes, art classes run smoother with a sink in the studio. But many schools don’t have a sink in every art classroom.

  • Photo courtesy of Kraus-Anderson

    Minnesota District Completes $49.7M Addition, Renovation Project

    St. Paul Public Schools in St. Paul, Minn., recently announced the completion of a $49.7-million addition and remodeling project at two district schools, according to a news release.

  • KWK Architects Announces Full Transition to Lawrence Group Branding

    KWK Architects recently announced that it will complete its transition to the Lawrence Group brand effective July 1, according to a news release. The merger marks the end of a three-year strategic integration process that began in March 2023 to unite the firms.

  • Architectural Power for the Modern Campus Landscape

    For generations, an outdoor classroom only required a textbook and a patch of grass. Today, not only has the laptop replaced the printed pages, the rise of agile learning has turned campuses into study halls with students listening to lectures and researching topics from quads, gardens, and plazas. The challenge for architects and facility managers is to provide connectivity without cluttering the landscape with visual eyesores or creating safety hazards with extension cords.