Ardex K15 Self-Levelling Smoothing Compound, 22kg
Ardex K15 Self-Levelling Smoothing Compound, 22kg
Ardex K15 Self-Levelling Smoothing Compound, 22kg
ARDEX K 15 New is an advanced, rapid-drying, heavy-duty self-levelling smoothing compound ideal for internal use on a wide range of sub-floors. It offers fast application times and strong compressive strength, making it perfect for both renovation projects and new installations, including those with underfloor heating. This product is suitable for smoothing uneven surfaces, including concrete, ceramic tiles, and screeds, and allows for the application of floor coverings in as little as 4 hours.
- Trade Quality
- Professional Use
Typical lead time 2-3 working days. Next-day delivery on request: call before 11am (not guaranteed).
Product Description
ARDEX K 15 is a rapid-drying, heavy-duty self-levelling smoothing compound for interior use. It levels and smooths from 1.5mm to 35mm thick in a single application and can receive floorcoverings in as little as 4 hours.
Key Benefits
Application
Prime all surfaces first (ARDEX P 51 on concrete, sand/cement and anhydrite screeds). Mix each 22 kg bag with 5.25–5.5 litres of water and apply within 30 minutes. Pour onto the substrate and spread with a steel trowel or ARDEX Pin Leveller. Above 10mm, add up to an equal volume of 3mm ARDEX Coarse Aggregate; from 20mm up to 35mm, 3–8mm clean, graded gravel can be used.
Coverage
Approx. 1.4 kg/m² per mm thickness — one 22 kg bag covers approx. 5.25 m² at 3mm.

£42.64
-
Supporting A Band of Brothers UK
We are proud to support A Band of Brothers UK, a charity helping young men break cycles of violence and crime through mentoring. Every order you place with Screedworks contributes to this vital cause through our easyfundraising partnership.
-
Restore & Protect
We invite clients to round up their final invoice to the nearest £5, £10 or £20. We match the amount pledged and donate the total to Tree Sisters.
Do not know what to choose?
Let's connect!