Cementone Cempolay Ultra Strong Floor Leveller – High-Strength, Rapid-Setting Self-Levelling Compound (20kg)

Get flawless results fast with Cementone Cempolay Ultra Strong Floor Leveller—a high-performance, rapid-setting self-levelling compound designed for both interior and exterior use. Whether you're working on residential flooring, commercial refurbishments, or external concrete surfaces like garages, this versatile and ultra-durable levelling solution is built to handle it all.

Formulated for exceptional strength and durability, it levels uneven floors up to 20mm thick and offers superior water and frost resistance, making it ideal for areas exposed to moisture and temperature changes.

With a quick drying time—walkable in just 2 hours at 20°C—Cempolay Ultra Strong keeps your projects moving efficiently, saving time without sacrificing quality.

Features & Benefits:

• Rapid-setting – walkable in as little as 2 hours at 20°C
• Suitable for a wide variety of substrates including concrete and sand/cement screeds
• Levels up to 20mm in one application for a perfectly smooth surface
• Ideal for interior and exterior applications
• Can be used as an underlay or final wear surface
• Water and frost resistant – perfect for environments exposed to moisture or low temperatures
• Can be overpainted for a finished look indoors
• Coverage: approx. 8m² per 20kg bag at 2mm thickness
• Compatible with most floor coverings once cured

Product Specifications:

• Brand: Bostik

• Range: Cementone

• Product Type: Self-Levelling Compound

• Colour: Grey

• Pack Size: 20kg

• Weight: 20.10kg

• Manufacturer Code: 30622970

• Drying Time (Foot Traffic): 2–3 hours at 20°C for ≥3mm thickness

• Application Depth: Up to 20mm

• Coverage: Approx. 8m² at 2mm thickness

Perfect For:

• Preparing subfloors for tiles, vinyl, laminate, or other decorative floor coverings

• External applications such as garages, workshops, or outbuildings

• Internal domestic and commercial projects requiring a durable, level surface

• Areas where moisture resistance and temperature fluctuation are factors

• Jobs requiring a fast turnaround without compromising surface quality

Why Choose Cementone Cempolay Ultra Strong?

With its robust formulation, fast set time, and multi-surface compatibility, Cempolay Ultra Strong is the go-to levelling solution for professionals and serious DIYers alike. Whether it’s used as a base for further flooring or as a finished wear layer, it delivers consistent, reliable results across even the most challenging conditions.