August 20, 2026 – PRESSADVANTAGE –

Black Rhino Floors today announced the formal adoption of ASTM F2170 and ASTM F1869 testing protocols across its commercial floor preparation operations, establishing a standardized moisture evaluation system for concrete subfloors prior to resin application. Effective Sept. 1, 2026, installation crews operating throughout Washington, Waukesha, and Milwaukee counties will execute dual-method subfloor testing on all commercial and industrial projects to measure internal slab moisture levels and surface moisture vapor emission rates. The company established this protocol to ensure that concrete substrates meet manufacturer specifications for moisture tolerance before surface coating application begins. The initiative launches in conjunction with a major commercial renovation project specifying epoxy flooring in Brookfield, WI, which serves as the primary regional testing site for the new quality assurance workflow.

Under the updated operational guidelines, technicians perform in-situ relative humidity testing in compliance with ASTM F2170 standards to evaluate internal moisture within concrete slabs. Field teams drill test holes to a depth equal to 40 percent of the slab thickness for grade-level concrete, or 20% for elevated suspended slabs, inserting probe sleeves that equilibrate for a mandatory 24-hour period prior to recording sensor measurements. In conjunction with internal humidity testing, staff performs ASTM F1869 anhydrous calcium chloride tests on exposed concrete surfaces to determine moisture vapor emission rates measured in pounds of water vapor per 1,000 square feet over a 24-hour window. Separating subsurface relative humidity measurements from surface vapor emission rates provides project engineers with comprehensive subfloor climate profiles.

The operational framework establishes strict remediation thresholds based on manufacturer application parameters. If in-situ relative humidity levels exceed 75 percent under ASTM F2170 testing, or if moisture vapor emission rates surpass three pounds per 1,000 square feet over 24 hours under ASTM F1869 procedures, project specifications mandate the installation of a dedicated epoxy moisture mitigation membrane. Field technicians record concrete surface temperatures and ambient relative humidity alongside subfloor moisture readings to calculate ambient dew point conditions, verifying that slab temperatures remain at least five degrees Fahrenheit above the dew point throughout surface preparation and resin curing cycles.

Mechanical surface preparation standards under the new framework require diamond grinding or shot blasting to achieve concrete surface profile benchmarks established by the International Concrete Repair Institute. Field equipment operating from the company’s facility at 2340 Highway 83 in Hartford is fitted with integrated high-efficiency particulate air filtration systems that capture concrete dust at the grinding head during surface profiling. Removing weak laitance layers and opening the concrete matrix allows low-viscosity epoxy primers to establish mechanical adhesion with the underlying aggregate, meeting minimum tensile bond strength requirements of 200 pounds per square inch under ASTM D4541 testing standards.

The standardized evaluation procedures apply across all commercial facility categories, including manufacturing plants, distribution warehouses, automotive service bays, and healthcare facilities. For commercial contracts specifying epoxy flooring in Brookfield, WI, field supervisors conduct three relative humidity test locations for the first 1,000 square feet of slab area, placing one additional test probe for each subsequent 1,000 square feet of floor space. All test coordinates, sensor readings, and environmental log files are compiled into a formal substrate verification document delivered to project general contractors prior to primer application.

The implementation of dual ASTM testing standards aims to reduce subfloor moisture failures and expand technical documentation for commercial construction projects across southeastern Wisconsin. Commercial developments in Waukesha and Washington counties will receive pre-installation moisture reports under the new framework starting next month. Black Rhino Floors will maintain a centralized log of regional subfloor relative humidity measurements and surface moisture emissions over the next four quarters to track seasonal subfloor moisture trends across local commercial job sites.

###

For more information about Black Rhino Floors, contact the company here:

Black Rhino Floors
Black Rhino Floors
(262) 235-0971
blackrhinofloors@gmail.com

Media gallery

About The Author
PressAdvantage