Flexible Additive Fortifier & Primer

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

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

Westbuild PRO™ Flexible Additive Fortifier & Primer can also be used as a general primer for most masonry and friable surfaces that require consolidation prior to overcoating.


  • 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

12L Pail

2kg Bottle

Quick Information

Dilution Guide
Further Information

Please visit our technical centre

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To find out how you can stock Westbuild products, please fill in the form below or call (08) 9309 2029.

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Request Delivery - Direct to Site

  • NOTE: To order this service, you must be an approved reseller or stockist of Westbuild products with an existing account. Call 9309 2029 for more information.



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