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

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

Store SKU # 41-K15

In stock

List Price: $59.95
Our Price: $36.59
You Save: $23.36
  • Buy 42 for $35.50 each and save 3%
  • Buy 168 for $34.28 each and save 7%
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Quick Overview

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!

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"

Technical & Specification Documents

Tech Info & Installation

MSDS USA



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