Crosflow 810 Floor Self Leveller – 20kg Bag is a premium, cementitious self-levelling underlayment designed for internal use. It offers excellent flow, adhesion, and ease of application, making it ideal for residential and commercial projects. Suitable for application over both new and existing concrete floors, Crosflow 810 provides a smooth, even surface ready for floor coverings. It can be applied in thicknesses from 1mm to 30mm and supports various floor finishes after appropriate curing.

Specifications & Features

• Type: Cement-based self-levelling floor underlayment
• Application Thickness: 1mm to 30mm
• Trafficable: Walkable after 12 hours at 23°C
• Flooring Readiness:
  • Carpet and tiles after 24 hours
  • Other floor finishes after 72 hours
• Flow & Workability: Smooth, self-levelling consistency
• Adhesion: Excellent bond to properly prepared substrates

Applications

• Internal floor levelling
• Residential and commercial projects
• New constructions and refurbishments
• Underlayment for:
  • Carpet & carpet tiles
  • Ceramic tiles
  • Timber and other floor coverings

Installation Tips / Usage Guidelines

• Pour the mixed Crosflow 810 onto the prepared surface and spread using a long-handled gauged spreader.
• The product will self-level within the first 10–15 minutes. Work quickly to maintain a wet edge for seamless blending.
• Apply up to 30mm in a single pour. For greater thickness, allow additional curing time.
• Ensure surface is clean, dry, and primed prior to application.
• This product is for internal use only. In borderline external conditions, monitor substrate temperatures carefully.

Delivery & Pickup

• Sydney-wide delivery
• Crane trucks with up to 21m reach available to get your delivery to you exactly where you need it
• Click & Collect available – ready in 2 hours
• Bulk pricing available for account customers

Need Help?

Call us on (02) 8543 3401. We can help you with quantity calculations, product information, and delivery solutions.