ARDEX K 15® Premium Self-Leveling Underlayment​​​​​​​​​​​​​​

Choose the Benchmark

ARDEX K 15® is the original and the most specified self-leveler in North America.

Install over: interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems, wood, metal and non-water soluble adhesive residue on concrete; can be installed over concrete treated with certain curing compounds.

Key Features 

• Formulated with a special blend of polymers
• Pour with the ROVER^® or pump with the AMP^®
• Interior use
• Use on, above or below grade
• Mixes with water

• General priming recommendations:
• Concrete: ARDEX P 51^TM Primer
• Most non-porous substrates, epoxy coatings, adhesive residue: ARDEX P 82™ Ultra Prime
• Packaging: 55 lb. (25 kg)
• Coverage: 30 sq. ft. per bag at 1/4” (2.8 m2 at 6 mm)
• Thickness:
• Levels at 1/4” (6 mm)
• Installs from 1/8” to 1 1/2” (3 mm to 4 cm) neat
• Up to 5” (13 cm) with aggregate
• Can be tapered
• Flow time: 10 minutes
• Walkable: 2 to 3 hours
• Install floor coverings:
• Moisture-insensitive tile and stone: 6 hours
• All other floor coverings: 16 hours

• ASTM C191 Initial Set: Approx. 30 minutes
• ASTM C191 Final Set: Approx. 90 minutes
• ASTM C109 mod (air cure only) Compressive Strength: 5500 psi(386 kg/cm2) at 28 days
• ASTM C348 Flexural Strength: 1200 psi (84 kg/cm2) at 28 days
• VOC: 0