Underlay SLU

Merkrete Underlay SLU is a pourable, pumpable and free-flowing Portland cement-based underlayment for rapid leveling interior substrates. SLU can be poured from featheredge to 3/4” thickness in one pour. Underlay SLU is specifically formulated to smooth out and level substrates with excellent durability for the installation of all floor coverings.

Features and Benefits

  • Ideal for Leveling from Featheredge to 3/4" Thickness
  • Quick-Setting
  • Installer Friendly
  • Minimal Labor Required