Successful commercial flooring installation hinges on the condition of the substrate. Technicians conduct moisture emission rate testing (MVER) and relative humidity (RH) tests to confirm the concrete slab meets manufacturer specifications. Mechanical surface profiling, such as grinding or shot blasting, is performed to remove laitance and create the necessary porosity for adhesives. Any cracks or dips must be filled with industrial-grade patching compounds to achieve the flatness required for the flooring product.
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What technical factors are verified during commercial substrate preparation?
Commercial substrate preparation verifies slab moisture levels, alkalinity (pH), flatness (using FF/FL standards), and surface porosity. The substrate must be free of contaminants like oil, paint, or old adhesive residue to ensure a strong bond for adhesives or underlayment.