Which Ardex Levelling Compound Should I Use? A Complete Guide
Posted by Yasmin Ilarionos on 22nd Jul 2026
Which Ardex Levelling Compound Should I Use? A Complete Guide
Choosing the right levelling compound is essential for creating a smooth, durable subfloor before installing your chosen floor covering. Whether you're working on a domestic renovation, commercial fit-out or refurbishment project, Ardex offers a range of products designed for different applications.
This guide explains what each product is best suited for, helping you choose the right solution for your next flooring installation.
Compare the Ardex Levelling Compound Range
|
Product |
Best For |
Key Benefit |
|
Refurbishment projects |
Can be applied over many substrates without priming |
|
|
Heavy-duty commercial levelling |
Fibre-reinforced for high-build applications |
|
|
General floor levelling |
Smooth, reliable finish for everyday projects |
|
|
Fast-track installations |
Rapid drying and excellent flow |
|
|
Concrete repairs |
Rapid-setting repair mortar for damaged areas |
ARDITEX NA
ARDITEX NA is Ardex's flagship two-part latex levelling compound, making it ideal for refurbishment projects. It can often be applied over existing adhesive residues and many common substrates without priming, helping installers save time while achieving a smooth, professional finish.
ARDEX K 40 HB
Designed for demanding commercial environments, ARDEX K 40 HB is a fibre-reinforced, high-build levelling compound suitable for thicker applications. It's an excellent choice for schools, hospitals, retail spaces and other high-traffic areas where strength and durability are essential.
ARDITEX CL & CL Plus
ARDITEX CL is a versatile smoothing compound for general floor preparation, providing a smooth surface before installing vinyl, LVT and carpet. For projects with tighter deadlines, ARDITEX CL Plus offers faster drying times while delivering the same high-quality finish.
ARDEX A 46
Although it's a repair mortar rather than a levelling compound, ARDEX A 46 plays an important role in subfloor preparation. It's designed for repairing damaged concrete, filling holes and rebuilding steps before the floor is levelled.
Which Product Is Right for You?
- Refurbishment projects: ARDITEX NA
- Heavy-duty commercial levelling: ARDEX K 40 HB
- General floor preparation: ARDITEX CL or CL Plus
- Repairing damaged concrete and steps: ARDEX A 46
Frequently Asked Questions
Which Ardex levelling compound is best for refurbishment?
ARDITEX NA is specifically designed for refurbishment work and is ideal for many existing subfloors.
Which Ardex levelling compound is best for commercial flooring?
ARDEX K 40 HB is a high-build, fibre-reinforced compound developed for demanding commercial environments.
Can Ardex levelling compounds be used before installing LVT?
Yes. Ardex levelling compounds create a smooth, stable surface suitable for LVT, vinyl, carpet and many other floor coverings.
Final Thoughts
Choosing the right levelling compound is one of the most important steps in achieving a professional flooring installation. Whether you're repairing damaged concrete, preparing a domestic subfloor or tackling a large commercial project, Ardex offers a solution you can rely on.
At Floormart, we stock a comprehensive range of Ardex levelling compounds to suit every stage of floor preparation. Browse our Ardex collection to find the right product for your next project.
