Flexible Additive & Fortifier

Flexible Additive & Fortifier is a multipurpose SBR polymer which may be incorporated in any cement based product to further improve the workability, durability, strength, adhesion, chemical and moisture resistance.

Westbuild PRO Flexible Additive & Fortifier can be used in tiling screeds, tiling adhesives, building mortars and renders.

Westbuild PRO Flexible Additive & Fortifier can be mixed neat with cement and used as a bonding agent for improving adhesion.



  • Increase tensile, flexural, impact and compressive strengths
  • Promotes excellent adhesion to a wide variety of substrates
  • Increases adhesion to hard to bond substrates
  • Improves workability
  • Improves water resistance
  • Increase abrasion resistance
  • Reduces water / cement ratio

Available Quantities

12kg Pail

Quick Information

Further Information

Please visit our technical centre

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