ARDEX K 15 Premium Self-Leveling Underlayment for Smoothing Interior Concrete Floors, Fast-Setting, 55 lbs (25 kg) Bag
Product details
| Management number | 220659459 | Release Date | 2026/05/03 | List Price | $33.37 | Model Number | 220659459 | ||
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ARDEX K 15 Premium Self-Leveling Underlayment is a high-performance, Portland cement-based underlayment formulated for interior use over concrete and certain non-porous surfaces. This premium self-leveling compound delivers exceptional flow and long working time, making it ideal for fast-track commercial and residential flooring installations. Designed to level and smooth interior substrates prior to installing finished flooring, ARDEX K 15 provides a strong, flat, and durable surface that supports a wide variety of flooring options including ceramic tile, LVT, VCT, wood, carpet, and engineered hardwood. The fast-setting formulation allows foot traffic in 2-3 hours and floor covering installation in as little as 16 hours depending on thickness and jobsite conditions. With its outstanding pumpability and extended pot life, ARDEX K 15 is perfect for large-scale renovations, industrial floors, hospitals, retail stores, and institutional settings. It can be applied from featheredge up to 1.5 inches neat, and up to 5 inches with aggregate. This underlayment requires no mechanical profiling on clean, sound concrete and is compatible with in-floor heating systems. ARDEX K 15 is engineered for superior bonding, shrinkage control, and crack resistance, delivering a flat, level, and long-lasting surface under the most demanding flooring systems. Whether you’re preparing a concrete slab for resilient flooring or smoothing a surface before installing tile, ARDEX K 15 provides the reliable, high-performance results professionals trust. It is easy to mix and pour, ensuring minimal downtime and maximum efficiency on every project.
- Suitable for commercial, residential, and industrial flooring applications
- Walkable in 2-3 hours; install flooring in as little as 16 hours
- Compatible with a wide range of floor coverings: tile, vinyl, LVT, VCT, carpet, engineered wood
- Compatible with radiant heating and underfloor heating systems
- Can be applied from featheredge up to 1.5" neat or 5" with aggregate
| UPC | 709850804065 |
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| Model | K15 |
| Item Form | Self-Leveling Underlayment |
| Brand Name | Ardex |
| Style Name | Self-Leveling Underlayment |
| Unit Count | 1.0 Count |
| Part Number | 12433 |
| Manufacturer | Ardex |
| Material Type | Self-Leveling Underlayment |
| Number of Items | 1 |
| Compatible Material | Mortar |
| Included Components | Self-Leveling Underlayment |
| Water Resistance Level | Moisture Resistant |
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