Levelrock Floor Underlayment - A full line of self-leveling cements

General Applications

Product LEVELROCK® 2500™ Floor Underlayment LEVELROCK® 3500™ Floor Underlayment LEVELROCK® 4500™ Floor Underlayment LEVELROCK® SLC™ 200 Floor Underlayment LEVELROCK® SLC™ 300 Floor Underlayment LEVELROCK® SLC™ 400 Floor Underlayment
Description Formulated for use in multi-family, light commercial and other wood frame construction, this economical, fast-drying gypsum cement helps prevent mold by not exposing wallboard to high moisture levels. Also available in green formulation using FGD recaptured gypsum. Lightweight, high compressive strength floor underlayment can be used as a hard-surface upgrade in multi-family and light-commercial projects, or as a topping to correct cracked and uneven floors in commercial applications. Also available in green formulation using FGD recaptured gypsum. Exceptionally high-strength cementitious underlayment for heavy traffic, commercial, institutional renovation projects. Also for floor corrections over concrete substrate. Suitable for a variety of floor coverings. Quick set times and high production rates allow for traffic within hours of installation. Also available in green formulation using FGD recaptured gypsum. Premium self-leveling Portland-cement-based floor underlayment formulated for use over concrete or wood substrates with metal lath. May be decorated, stained or coated with an approved coating system to provide a finished floor. Premium self-leveling engineered cement. Moisture-resistant self-drying floor leveler allows for final floor covering installation in 24 hours. Underlayment may be decorated, stained or coated with approved coating system to provide a finished floor. Premium self-leveling engineered cement that creates a wear- resistant surface suitable for warehouse and industrial applications. No floor covering or coating is required.
Physical Properties
  2500™ Floor Underlayment 3500™ Floor Underlayment 4500™ Floor Underlayment SLC™ 200 Floor Underlayment SLC™ 300 Floor Underlayment SLC™ 400 Floor Underlayment
Strength (psi) 2,500-3,500a 3,500-4,500a 4,500-5,500a 5,500b 4,350b 4,350b
Density, dry (lbs./cu.ft.) 115 120 125 120 120 125
Weight (lbs./sq.ft. at 3/4" thickness) 7.2 7.5 7.8 (2.5 at 1/4" thicknessc) (2.5 at 1/4" thicknessc) (2.5 at 1/4" thicknessc)
Building Type
  2500™ Floor Underlayment 3500™ Floor Underlayment 4500™ Floor Underlayment SLC™ 200 Floor Underlayment SLC™ 300 Floor Underlayment SLC™ 400 Floor Underlayment
Single Family • •
Multifamily • • High traffic •
Light Commercial • • High traffic • • Heavy use
Commercial / Retail Office • Light traffic • Heavy use • • Heavy use
Hotel / Motel • Light traffic • High traffic • Heavy use • •
Institutional • Heavy use • • • Heavy use
Warehouse • Heavy use
Subfloor Type
  2500™ Floor Underlayment 3500™ Floor Underlayment 4500™ Floor Underlayment SLC™ 200 Floor Underlayment SLC™ 300 Floor Underlayment SLC™ 400 Floor Underlayment
Plywood • • •
Heavy Wood Plank • • • •
Corrugated Deck
Concrete • • • • • •
Concrete Plank • • • • • •
Concrete Repair / Leveling • • • • •
Radiant Heat

Notes:
(a) Tested according to ASTM C472.
(b) Tested according to ASTM C109 modified.
(c) Reflects typical application thickness