Introducing ARDEX K 39 – the ultimate heavy duty high flow levelling and smoothing compound for your flooring needs. With Its market leading 40-minute working time, this product allows for extended workability, making it easy to smooth and level your subfloor to perfection. You will not need to patch or rub down the next day, thanks to Its excellent flow and finish. The extended working time allows you to focus on creating the perfect subfloor with no trowel marks, ridges or joint marks. You can walk on the surface in as little as 2 hours, and the product has an excellent coverage of 7.4m² at 2mm thickness per 22kg bag. This product is perfect for both small and large projects and is available in 22kg units. Choose ARDEX K 39 for an easy, efficient and perfect finish on your levelling and smoothing projects.

Information

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

Unit Size Available: 22kg

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

Technical Data

Working time at 20°C
Approx. 40 minutes

Flow life at 20°C
Approx. 25 minutes

Compressive Strength:
After 1 day 6.0 N/mm2
After 7 days 22.0 N/mm2
After 28 days 29.0 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

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.