AccuCrete® | Light-weight Gypsum Based Cement Underlayment

Get the strength you need without the thick mass or the high cost. AccuCrete® lightweight gypsum cement provides all the hardness without the heaviness. Don’t let your underlayment weigh you down.


  • Design strengths from 1,400 to 3,500 PSI
  • Perfect for new construction and renovation projects
  • Ideal for use over wood subfloors in mutli-family, light commercial, and single family construction
  • Strong, consistent underlayment ready for an endless variety of floor coverings
  • Designed for use with AccuQuiet® Sound Control Systems for enhanced noise control
  • Pourable over wood substrates from 3/4″ to 3″
  • Can be poured to 3/8″ to 3″ over concrete substrates
  • UL Listed in over 95 Fire Rated Design Assemblies for both 1 hour and 2 hour ratings
  • Fast setting, quick application; for light trade traffic within hours
  • Light-weight Gypsum Based Cement Underlayment (ie. Gypcrete)
  • Exceptional customer service