Larsen NP Keycoat Primer | High Performance Non-Porous Surface Primer for Tiling & Levelling

Larsen NP Keycoat is a high-performance water-based modified polymer primer specifically developed to provide exceptional adhesion on smooth, dense, and non-porous substrates prior to tiling and floor levelling applications. Supplied ready to use, NP Keycoat creates a reliable bonding surface that improves the performance of tile adhesives, self-levelling compounds, and flooring systems on difficult backgrounds.

Designed for professional flooring and tiling contractors, NP Keycoat is particularly effective on demanding substrates such as existing tiled floors, one-coat damp-proof membranes (DPMs), metal surfaces, and other non-absorbent backgrounds where conventional primers may be unsuitable. The advanced polymer formulation promotes strong adhesion and helps ensure long-lasting installation performance.

In addition to its use on non-porous surfaces, NP Keycoat can also be diluted for application on porous substrates, where it acts as a general-purpose primer to regulate absorption and improve the workability and bond strength of subsequent tile adhesives and levelling compounds.

Suitable for domestic, commercial, and refurbishment projects, Larsen NP Keycoat offers a versatile solution for preparing a wide variety of floor and wall substrates prior to tiling and flooring installations.

Key Features

• High-performance modified polymer primer
• Ready-to-use formulation
• Designed for smooth and non-porous substrates
• Improves adhesion before tiling and levelling
• Suitable for tiled floors and difficult backgrounds
• Ideal for one-coat DPM systems
• Suitable for metal substrates
• Can be diluted for porous substrates
• Helps regulate substrate absorption
• Professional-grade floor and wall preparation primer