This water-based, low-VOC acrylic primer is designed to improve the performance and adhesion of MAPEI self-leveling underlayments—especially on nonabsorbent surfaces such as ceramic tile, vinyl composition tile (VCT), and adhesive residues, as well as properly prepared absorbent substrates. Versatile and easy to apply, this low-odor primer is ideal for use in occupied indoor spaces.
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Enhances bond strength on porous and non-porous surfaces
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Easy brush or roller application
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Single-coat coverage up to 100 sq. ft. per quart
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Low odor and VOC-compliant for interior use
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Reduces installation time with fast drying—pour underlayment in as little as 2 hours
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Recommended for use with MAPEI Self-Leveler (#631343)
This all-purpose primer combines performance, efficiency, and ease of use for reliable surface preparation.




