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Interior useExterior useApply with a trowelApply with a steel trowel

Early strength gaining thixotropic repair mortar

FORTATOP is a light grey powdered mixture that is microfiber-reinforced and polymer-modified. When water is added to the powder, it becomes a quick-setting thixotropic repair mortar with high mechanical properties as well as excellent durability. FORTATOP contains a rust inhibitor that provides extra protection for existing steel reinforcements. It is specially formulated for repairs to horizontal and vertical surfaces and ceilings. FORTATOP has a texture that allows for buildup with no sagging.

FORTATOP is a Type R repair mortar included on the list of approved concrete related materials tested by the Laboratoire des chaussées of the Ministère des Transports, de la Mobilité durable et de l’Électrification des transports du Québec (MTMDET).

Apply on:

  • Stairs
  • Foundation walls
  • Balconies, patios, and decks
  • Residential sidewalks
  • Concrete blocks
  • Concrete floors
  • Garage floors

Quick and easy to apply, Fortatop improves the appearance of your exterior and interior surfaces. The formula penetrates deeply into concrete and dries in approximately an hour. As well, you can begin your finishing touches as soon as the product first sets, after about 25 minutes.


  • Clean the surface
  • Mix well
  • Apply Fortatop
  • Complete the finishing touches

Fortatop contains a rust inhibitor that provides superior protection of existing steel reinforcements.


  • Cures quickly
  • Gives a smooth, uniform finish
  • Easily apply up to 2 inches (50 mm) at once
  • Is suitable for all concrete surfaces

By following the manufacturer’s instructions, you will be assured of the best possible results. Since Fortatop is a quick-setting mortar, it is difficult to mix and apply all of the product at once (15 kg). You can prepare a part of the bag only, making sure to mix the powdered product in order to ensure that the polymers are well distributed.

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For more information, please see the Fortatop technical information and the description or contact us.