ARDEX K 15 HB High Build Rapid Drying Smoothing Compound

High build, rapid drying smoothing compound. Apply from 5mm to 35mm in one application. Rapid hardening, walkable in approximately 2 hours, even with thick applications. Floorcoverings can be applied after 24 hours, regardless of thickness. Ceramic floor tiles can be fixed after 4 hours.

Buy Online

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

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

Datasheets

Additional information

Sizes

25kg

Coverage

Approximately 2.7m² at 5mm thick per 25kg bag

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