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GSA Super Filler

GSA Super Filler

Regular price $9.90
Regular price $15.00 Sale price $9.90
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Recommended Uses
  • Use on mortar, concrete, timber and plaster.
  • Ideal for patching large cracks and holes.
  • can be sanded, if a smooth finish is required


Surfaces should be clean and dry with no loose or powdery material, paint or wood. It is recommended to prime exterior timber surfaces appropriately before application.


  • Apply a small amount of filler onto a flexible filling blade.
  • Apply in thin layers pressing firmly into the area being filled, and remove any excess filler.
  • Dries in 2-3 hours in thin applications, or 5-6 hours in deep cracks depending on atmospheric conditions.
  • Sand with 120-180 grit sandpaper if a smooth finish is required.
  • GSA Super Filler can be primed with water or oil-based primer prior to top coating.


  • Use GSA Acrylic Gap Filler where movement occurs.
  • If filling very large holes, use GSA Builders Filler with a relevant filling agent.

Clean Up

  • Clean tools and hands with warm soapy water.


  • 12 month in unopened container
  • Close lid tightly after use
  • Store in a cool place out of direct sunlight
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