ARDEX K 39 Extended Workability and High Flow Levelling and Smoothing Compound

With its extended working time, fresh mixes of ARDEX K 39 can be easily smoothed into existing pre-applied material up to 40 minutes after application. This gives the installer more time to focus on creating the perfect subfloor, with no trowel marks, ridges or joint marks, and additional preparation the next day.

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With its extended working time, fresh mixes of ARDEX K 39 can be easily smoothed into existing pre-applied material up to 40 minutes after application. This gives the installer more time to focus on creating the perfect subfloor, with no trowel marks, ridges or joint marks, and additional preparation the next day.

  • Extended 40 minute working time
  • Walkable in as little as 2 hours
  • Excellent flow and surface finish
  • No patching or rubbing down the next day
  • Excellent coverage – 7.4m2 at 2mm thick

Coverage: Approximately 7.4m2 at 2mm thick per 22kg bag

Datasheets

TECHNICAL DATASHEET

HEALTH AND SAFETY DATASHEET

DECLARATION OF PERFORMANCE

ENVIRONMENTAL PRODUCT DECLARATION

EMICODE® CERTIFICATE

PRODUCT POSTCARD

PRODUCT FLYER

ARDEX LVT SUBFLOOR GUIDE

Additional information

Sizes

22kg
Coverage

approximately 7.4m² at 2mm thick per 22kg bag
Working Time at 20°C

approx. 40 minutes
Flow Life at 20°C

approx. 25 minutes
Final Set (Vicat)

approx. 2 hours
Compressive Strength

After 7 days 20.0 N/mm², After 28 days 28.0 N/mm²
Tensile Bending Strength

After 1 day 2.0 N/mm², After 7 days 5.0 N/mm², After 28 days 8.0 N/mm²
EMICODE

EC1+R (very low emission)
Suitable for Underfloor Heating

Yes

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