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Adhesion Promoter

A single component adhesion promoter.


Fortis Adhesion Promoter is a single component adhesion promoter designed for use in areas where superior bonding is required to concrete, glass, and other cementitious and siliceous substrates. Fortis Adhesion Promoter will ensure a superior bond is achieved between difficult substrates and Fortis range of polyurethane adhesives and coatings.


Proprietary Blend


  • Suitable for Masonry surfaces
  • Superior bond to high Quartz aggregate concrete
  • Improved bonding to Siliceous materials
  • Fast reactivity to Cementitious materials
  • Provides extra bonding power
  • Fast recoat
  • Universal adhesion promoter


Construction, Concrete Repair, Industrial & Mining


Fortis Polyurethane Adhesion Promoter is low viscosity single component adhesion promoter designed for brush, roller, or low-pressure spray application. Surfaces need to be clean, dry, and dust free. It is recommended that all residue from ground concrete be removed prior to application. Apply in an even coat at 10-20m2 /litre to wet the surface. Do not allow to flood or puddle. For roller application a mohair roller is recommended. A highquality wide brush is recommended for brush application. The material will be touch dry in 2 hours. It is recommended that subsequent coating or adhesive products be applied after a minimum of 4 hours, and within a maximum of 24 hours.


Substrates should be thoroughly sanded or ground to provide a keyed surface. Remove all potential contaminants.

Over New Concrete

On new concrete surfaces it is best to diamond gind the surface. Fresh concrete should be left to cure fo a minimum of 28 days prior to application.

Old Surfaces

Old surfaces are best diamond ground but it is possible to etch and clean the surface. Contact Fortis if unsure.

Film Thickness
5 μm per coat DFT
Coverage rate
10-20 m2 /l
Touch dry time:
2 hours
Apply top coat after 4h and prior to 24h
Pack Sizes