Water-Based Primer for MAPEI Peel-and-Stick Membranes
MAPEI SM Primer is a ready-to-use, fast-drying, water-based, latex primer for use under MAPEI’s peel-and-stick sheet membranes on residential and commercial indoor or outdoor floors. MAPEI SM Primer greatly increases the bond of MAPEI’s peel-and-stick sheet membranes to concrete, plywood and other approved, properly prepared floors. It can be applied with a roller or brush, is white in color and dries clear.
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.
Yes, with these limitations: Use MAPEI adhesive Ultrabond ECO 350, Ultrabond ECO 360, Ultrabond ECO 373 or Ultrabond ECO 399. Also, follow MAPEI’s Technical Data Sheet instructions and use a 1/32" U-notch trowel. Finally, expect 60 to 90 minutes of flash time before installing the LVP/LVT.