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
- Installer Friendly
- Minimal Labor Required