Introducing ARDEX K 15 HB – the ultimate high build, rapid drying smoothing compound for your flooring needs. This product is perfect for those projects where time is of the essence, providing a walkable surface in just 2 hours, regardless of the thickness. You can apply it from 5mm to 35mm in one application, making it perfect for a wide range of levelling needs, from minor surface repairs to large projects. And, you can install ceramic floor tiles after just 4 hours. ARDEX K 15 HB is rapid hardening, and floor coverings can be applied after 24 hours, regardless of thickness. This product is pumpable, making it easy to use, saving you time and effort. Its high compressive strength make it ideal for heavy-duty projects. Available in 25kg units, this product provides a coverage of approximately 2.7m² at 5mm thickness per bag. For fast and efficient levelling and smoothing, choose ARDEX K 15 HB.

Information

• Apply from 5mm to 35mm in one application
• Rapid hardening – walkable in approximately 2 hours, even with thick applications
• floor coverings can be applied after 24 hours, regardless of thickness
• Ceramic floor tiles can be fixed after 4 hours
• Pumpable
• Strong, high compressive strength

Unit Size Available: 25kg

Coverage: Approximately 2.7m² at 5mm thick per 25kg bag

Technical Data

Working time at 20°C
approx. 30 minutes

Flow life at 20°C
approx. 15 minutes

Initial Set (Vicat)
approx. 30 minutes

Final Set (Vicat)
approx. 2 hours

Compressive Strength (DIN 1164)
After 1 day 19.0 N/mm²
After 7 days 27.0 N/mm²
After 28 days 35.0 N/mm²

Tensile Bending Strength (DIN 1164)
After 1 day 4.5 N/mm²
After 7 days 6.0 N/mm²
After 28 days 8.0 N/mm²

Suitable for underfloor heating
Yes

We understand that your schedule is important, which is why we offer the option to choose a delivery date that works best for you. With a 98% on-time delivery rate, we are committed to ensuring your materials arrive when expected. In the rare event of any unexpected delays, we will keep you informed right away. If you have any specific requests, let us know, and we’ll do everything we can to accommodate them.