Ardex Ultimate 4 Cement Screed Additive

Designed for professionals in the construction industry, this 2-component liquid additive ensures rapid drying and strength development in sand/cement screeds. It significantly reduces screed thickness while maintaining excellent durability, making it an efficient solution for both commercial and residential projects.

Applications

• Bonded and floating screeds for interior and exterior use.
• Non-standard thin-layered screeds.
• Screeds on underfloor heating systems.
• Damp environments and external areas.

Always ensure the correct mixing ratios and follow recommended site conditions for optimal performance.

Performance Benefits

• Allows early access: foot traffic possible within 24 hours.
• Final floor finish can be applied in just 4 days.
• Provides superior strength with reduced thickness requirements.
• Contains a tracer for quality assurance testing in sand/cement screeds.
• Protects against rehydration issues, ensuring long-lasting durability.

Limitations & Precautions

This product should not be mixed with other manufacturer’s products, as this may impact performance. Always ensure proper mixing procedures to maintain correct consistency and strength. Avoid direct exposure to draughts or sunlight during the setting process.

When using on underfloor heating, follow the specified heating protocol to prevent cracking or excessive moisture retention.

Refer to the technical datasheet for detailed guidelines on mixing ratios and screed thickness requirements.

Health and Safety

This product is not classified as hazardous under UK regulations. However, standard safety precautions should be followed:

• Avoid direct contact with skin and eyes; wear protective gloves and goggles.
• Do not eat, drink, or smoke when handling this product.
• Ensure adequate ventilation during application.
• Solvent-free and chloride-free formulation.

For full safety information, consult the Safety Data Sheet (SDS).