Ardex K-15 Self-Leveling Underlayment Concrete, 55 lb. Bag

Ardex K-15 is a portland cement-based, high strength, fast-setting, non-shrink underlayment. Designed for fast leveling of floors, K-15 provides a strong and smooth foundation for floor coverings with minimum labor and installation time. Mix with water, pour or pump, spread, ready!

• Use to level and smooth interior concrete, terrazzo, quarry and ceramic tile, cutback adhesive residue (non-water-soluble), wood, and metal
• Portland cement-based
• Installs up to 1 1/2” neat, 5" with aggregate
• Can be featheredged to meet existing elevations
• Walkable in 2 to 3 hours
• Install moisture-insensitive tile and stone after 6 hours, all other floor coverings after 16 hours
• Designed specifically for fast-track installations
• Coverage is 30 sq. ft. per bag at 1/4", 15 sq. ft. per bag at 1/2"