
MRF™ Moisture-Resistant, Rapid-Drying, Skimcoat Patching Underlayment
ARDEX MRF™ Moisture-Resistant, Rapid-Drying, Skimcoat Patching Underlayment is a trowel-grade underlayment formulated from a blend of Portland cement and other hydraulic cements that provides a smooth surface prior to the installation of ARDEX MC™ Moisture Control Systems or moisture-resistant adhesives and flooring. Key Features Provides a smooth surface over a variety of substrates Engineered to withstand 100% RH; unlimited moisture and water Interior and exterior use ARDEX WeatherProof Technology Suitable for installation at temperatures as low as 40°F (5°C) Non-sanded – install from a true featheredge up to 1/2” (12 mm) Rapid-drying – install floor coverings in as little as 30 minutes Installation Mixing Ratio: 1.75 quarts (1.65 L) of water per 10 lb. (4.5 kg) bag For smaller batches, use 3.25 parts powder to 1 part water by volumeCoverage: 28 sq. ft. per bag at 1/8’’ (2.6 sq. m at 3 mm) 56 sq. ft. per bag at 1/16” (5.2 sq. m at 1.5 mm) 200 – 250 sq. ft. (18.6 – 23.2 sq. m) per b