Fortis Prime 520 - Water-based Polyurethane Primer

Fortis Waterbased Primer 520 is a clear, two-part primer that’s easy to apply. It’s perfect for sealing and prepping porous surfaces like concrete and timber. This primer helps improve the adhesion of topcoats, making your finish last longer and perform better. Whether you're working on a residential or commercial project, Fortis Prime 520 is a reliable choice to ensure your surfaces are properly prepared for coating.

• Non-yellowing
• Medium build
• Water-based two-pack
• Exterior / Interior use
• Low odour
• Excellent adhesion to siliceous and most polar compounds
• Chemically resistant
• Cures well in humid or cold conditions

See more information and datasheets for Fortis Prime 520 on the Fortis website.