K 15 Self-Leveling Underlayment

Ardex K 15 is the original and the most specified self-leveler in North America. A blend of Portland cements and other hydraulic cements. 

Benefits

• Formulated with a special blend of polymers
• Pour with the Rover or pump
• Use on, above or below grade
• Mixes with water

Installation

• General priming recommendations:
• Concrete: Ardex P 51 Primer
• Most non-porous substrates, epoxy coatings, adhesive residue: Ardex P 82 Ultra Prime
• Packaging: 55 lb. 
• Coverage: 30 ft² per bag at 1/4” 
• Thickness:Levels at 1/4” 
• 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

Performance

• ASTM C191 Initial Set: Approx. 30 minutes
• ASTM C191 Final Set: Approx. 90 minutes
• ASTM C109 mod (air cure only) Compressive Strength: 5500 psi at 28 days
• ASTM C348 Flexural Strength: 1000 psi at 28 days
• VOC: 0