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Fine Crack Filler

Our tough solution for fine cracks. A no-shrink two-part epoxy liquid that doesn’t require sanding down and is ideal for interior and exterior cracks 2 to 3mm wide.

 



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Fast Facts

Usage Interior / Exterior Interior or exterior.
Coverage Approximately 80 linear feet of a crack 1/8" wide x 1/4" deep
Curing Time (hours) 4 hours at 60-70°F

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Product Details remove

Watco Fine Crack Filler and is a simple to use, incredibly tough product for filling unsightly cracks in concrete floors prior to coating. Its liquid formulation ensures that no sanding down will be needed to make it level once cured. 

  • Can be coated with any of our high performance floor coatings
  • Fast curing – non shrink 
  • Super tough, epoxy resin formula 
  • Ideal for cracks up to 3mm wide 
  • Coverage approx. 1 pint will fill over 80 linear feet of a crack 1/8" wide x 1/4" deep.
  • Depth: Ideal for cracks up to 1/8" wide
  • Watco Fine Crack Filler can be applied at 32°F

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Specifications add

Primer Required No
Usage Interior / Exterior Interior or exterior.
Properties Non shrink two part epoxy, can be coated, fast curing, ideal for cracks up to 2–3mm wide, its liquid formulation ensures that no sanding down will be needed to make it level once cured
Surfaces Floor
Max Operational Temperature (°F) 90°F
Coverage Approximately 80 linear feet of a crack 1/8" wide x 1/4" deep
Curing Time (hours) 4 hours at 60-70°F
Pot Time (hours) 20 min. at 60-70°F

How to Apply add

Surface Preparation
Cracks need to be clean, dry and free from dust, loose debris etc. Vacuum out dirt and dust or blow out with clean compressed air.

Mixing
Each component of Fine Crack Filler is packaged in a short filled container. Combine the activator component with the base component and mix thoroughly with a paint paddle or spatula. Be sure to scrap the sidewall of the container to transfer as much of the activator as possible. While mixing, be sure to scrape the sidewall and bottom of the mixing container to ensure all of the material is properly mixed. Caution: The mixed components will quickly become warm and must be used within 20 minutes. Use care handling the container. It will get warm and may become too hot to handle with bare hands. Wear protective gloves. Pot life is 20 minutes. Higher temperatures will reduce pot life.

Application
Pour carefully out of the tin onto and along the line of the crack and level off using a straight edge or plastic/rubber scraper. Wipe away any excess. Leave to harden for 4 hours at 60-70°F before coating or overlaying. The repair may be coated with any type of floor paint or high performance coating. Note: Use only the material that flows naturally out of the container, do not scrape out material from the container. Doing so may transfer un-reacted base component that wasn’t completely mixed in and this can cause results with soft spots in the filler. Cracks in floors where the surface of the concrete is uneven may be filled, but it will be impossible to achieve a flush finish. Concrex® may be used to make up differences in floor levels.

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