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MAPEI HM Primer

Water-Based, Interior/Exterior Primer for Sheet Membranes

MAPEI HM Primer is a ready-to-use, low-VOC, water-based, quick-drying, high-tack membrane primer. It is specifically formulated to promote maximum adhesion of MAPEI peel-and-stick sheet membranes to high-moisture substrates.

Product documentation

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Sheet Membranes

MAPEI HM Primer is part of the lines:

Tile & Stone Installation Systems - Crack Isolation and Sound Reduction

FAQs

Can Mapesonic 2 be used in exterior environments?

Yes, with these limitations: Do not use on exterior floors with drainage of less than 1/4" per foot. And do not use on shower floors or in submerged applications, or on floors subject to standing water.

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