Param-25M

self-leveling concrete underlayment

Param 25M is Portland cement-based, self-leveling concrete underlayment formulated to level and smooth interior concrete, terrazzo, ceramic and quarry tile, metal, wooden substrates, and non-water soluble adhesive residue on concrete prior to the installation of the finished flooring.

Param 25M is Portland cement-based, self-leveling concrete underlayment formulated to level and smooth interior concrete, terrazzo, ceramic and quarry tile, metal, wooden substrates, and non-water soluble adhesive residue on concrete prior to the installation of the finished flooring. It can be installed on, above, or below grade. Param 25M provides a durable, flat, smooth floor surface with minimum labor and installation time.

Param 25M provides a substrate that can accept ceramic tile and natural stone within 3-4 hours after application. Finished floor coverings such as concrete micro-toppings/overlays, resinous flooring, carpet, VCT, sheet vinyl, rubber, and engineered wood plank can be installed after 24 hours.

Features

  • No trowelling required; it is self-leveling
  • Suitable for residential and commercial applications
  • Contains no protein additives; no gypsum
  • Maintains workability (healing properties) for 25 minutes (depending upon ambient conditions)
  • Does not promote the growth of mold or mildew
  • Very fluid, ideal for pouring and pumping
  • Non-shrink; does not cause dusting
  • Compatible with most flooring adhesives
  • High early strength, walkable in just 3-4 hours
  • No dangerous emissions or irritating fumes

Additional information

Weight50 lbs
Dimensions24 × 12 × 6 in

Technical Details

Density125lb/ft3Mixing Ratio5.5–5.75 quarts per 50lb bag
Flammability (ASTM E84) Flame Spread0Compressive Strength (ASTM C 109) 24hours3000psi
Flammability (ASTM E84) Fuel Contribution0Compressive Strength (ASTM C 109) 7 days4500psi
Flammability (ASTM E84) Smoke Development0Compressive Strength (ASTM C 109) 28 days5000psi
Flexural Strength1100psiSet Times (ASTM C191) Working Time25 min (depending on temp.)
Set Times (ASTM C191) Initial Set1.5 hoursSet Times (ASTM C191) Final Set2 hours
Shelf life6 Months