Prep Coat & Additive

Prep Coat & Additive is a unique multipurpose 2 in 1 primer and waterproofing additive. Prep Coat & Additive is used as a primer for Gripset Betta membranes to enhance adhesion to general surfaces. As a waterproofing admixture Prep Coat & Additive will improve the water resistance and adhesion of cement based compounds such as mortars, slurries, grouts and cement based adhesives.


Colour: Milky white
Sizes: 1 Litre, 4 Litre and 15 Litre

Features & Benefits
As a Primer

  • Excellent adhesion over general building surfaces
  • Fast drying
  • Economical coverage of up to 1 Litre / 8 m²
  • Can be used as a paint and tile primer
  • Compatible with Gripset Betta membranes, tile adhesives, renders and water based acrylic paints

As an Additive

  • Improves water resistant and waterproof properties of cement based compounds
  • Fast drying
  • Enhances bond strength in areas subject to moisture, weather, immersion and over non porous surfaces
  • Improved crack, frost and salt resistance
  • Improved durability and reduces shrinkage
  • Prep Coat & Additive is water based, non toxic and solvent free


As a Primer

  • Used to enhance adhesion of Gripset Betta membranes
  • Enables improved coverage of membrane application
  • Tile, rendering and paint primer (acrylic paints only)


As an Additive

  • Waterproofing cement mortars, slurries, renders, grouts and cement adhesives
  • Increasing strength to renders and screeds
  • Mortar and concrete repairs in exposed and immersed areas
  • Patch and repair mortars


Tools for applications
Tools for application

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