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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.

Fully compatible with MAPEI’s peel-and-stick sheet membranes
Ready to use; no mixing or dilution required
Easy to apply with roller or brush
Fast-drying, allowing sheet membrane installation after about 20 minutes
Bonds to a wide variety of substrates, including nonporous concrete and metal
Low in odor
Water-based and nonflammable
For interior and exterior applications
Aggressive tack, improving the adhesion of peel-and-stick membranes to many substrates