No. The surface must be thoroughly cleaned of any substance that could interfere with the bond of the installation material, including dirt, paint, tar, asphalt, wax, oil, grease, latex compounds, form-release agents, laitance, loose toppings, foreign substances and any other residues.
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.
Mapeguard UM is approved for exterior applications with some limitations; please consult the Technical Data Sheet for details. Mapeguard UM 35 is not approved for exterior applications.
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