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Concrete Moisture Test Kit – Emission Test (12-Pack)
The Concrete Moisture Test Kit (12-Pack) is a trusted solution for measuring moisture vapor emission rate (MVER) in concrete slabs before flooring installation. Excess moisture is one of the leading causes of flooring and coating failures, making accurate testing essential before moving forward with any finish.
Unlike electronic moisture meters that only indicate surface saturation, this kit uses the industry-standard calcium chloride test to measure the actual rate of moisture emission from the slab surface. This provides reliable data for flooring, epoxy, and adhesive applications.
Why Moisture Emission Testing Matters
Moisture migrating through concrete can weaken adhesive bonds and cause flooring to fail prematurely. Performing MVER testing helps contractors and inspectors confirm that slabs meet manufacturer and installation requirements.
This testing method is widely used alongside concrete moisture testing equipment to support informed decision-making and long-term performance.
How the Calcium Chloride Test Works
The calcium chloride test is a proven and widely accepted method for moisture emission measurement.
- A pre-weighed dish of calcium chloride is placed on the concrete surface
- The dish is sealed under a plastic dome with a butyl rubber gasket
- Testing is conducted under normal service temperature and humidity conditions
After 60–72 hours, the dish is removed and re-weighed. The weight gain, test duration, and exposure area are used to calculate MVER. Results are reported as pounds of moisture per 1,000 sq ft over 24 hours, offering a clear assessment of slab readiness.
This method aligns with best practices used in calcium chloride moisture test kits across the flooring industry.
Recommended Testing Guidelines
For accurate and reliable results, industry guidelines recommend:
- Three tests for the first 500 sq ft
- One additional test for every extra 500 sq ft
- Separate testing for each distinct slab area
Following these guidelines helps ensure flooring systems perform as intended.
What’s Included in the 12-Pack Kit
Each Concrete Moisture Test Kit includes:
- Sealed calcium chloride dishes
- Plastic test domes with pre-installed butyl rubber gaskets
- Three pH test strips with color reference chart
pH testing is important because alkalinity levels can impact adhesive strength and flooring durability.
Key Benefits
- Accurate MVER measurement using an industry-approved method
- Helps prevent moisture-related flooring failures
- Simple, on-site application for contractors and inspectors
- Supports compliance with flooring manufacturer requirements
- Works alongside flooring testing equipment for complete moisture evaluation
Leading flooring authorities consistently emphasize the importance of both moisture and pH testing prior to installation.
Summary
The Concrete Moisture Test Kit – Emission Test (12-Pack) provides dependable, industry-standard moisture emission testing for concrete slabs. By delivering accurate MVER results, this kit helps contractors, inspectors, and flooring professionals make confident installation decisions and reduce the risk of moisture-related failures.
