Flooring Patch / Self-Leveling Underlayments

Suitable Surfaces
Concrete, PROFLEX® Membranes
Packaging
50 lb. bag
PROFLEX® USL is designed to go over properly installed PROFLEX® membranes. Refer to membrane datasheet for installation instructions. USL can be used as a standalone self-leveling underlayment.
When used over PROFLEX® Membranes, USL can be placed from 1/8″ to 1/2″.
When used as a standalone self-leveling underlayment, USL is capable being placed from 1/8″ to 5″.
USL: Underlayment Self Leveler
PROFLEX® USL is a high performance, fast setting, multi-purpose, polymer-modified Portland cement-based self-leveling underlayment approved to be used over PROFLEX® Peel & Stick Membranes and PROFLEX® RCU Membranes. PROFLEX® USL may be placed from ⅛” to ½” when going over PROFLEX® underlayments, or ⅛” to 5” when used as a standalone self-leveling underlayment. USL IS FOR INTERIOR USE ONLY.
Advantages
- ONLY approved self-leveling to be used over PROFLEX® Membranes
- Over 6500 psi when cured
- Self Drying Technology
- Polymer Modified, High Performance
- Portland Cement-Based
- Self-Leveling Underlayment