Universal spray adhesive for resilient flooring

Ultrabond Spray RFA from Mapei is an aerosolized, water-based, acrylic adhesive designed for the installation of solid sheet vinyl, solid vinyl tile, luxury vinyl tile and vinyl composition tile (VCT).

Its unique application method is said to provide bond performance equal to traditional trowel-applied adhesives while using considerably less material in much less time.

The adhesive is rated for use when the substrate temperature is between 10° and 32°C, and when the temperature of the prepared concrete slab is at least 2.8°C above the dew point (to avoid condensation).

Suitable substrates include:

APA Group 1 and CANPLY 0121 exterior-grade plywood;

  • other approved wood underlayments (per the flooring manufacturer’s recommendations);
  • concrete placed according to guidelines outlined in ASTM F710 and ACI 302.2;
  • cement terrazzo;
  • cement-based, self-leveling underlayments and patching compounds; and,
  • only one layer of fully bonded ceramic tile, sheet vinyl or VCT

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