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Fill Concrete Saw Cuts with Flexible Filler

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1:06
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At 0:10 in

No fancy grinders or nasty chemicals needed! #epoxyfloors #citadelfloors #epoxyprimer #flakedfloors

What happens here

After the concrete has been cleaned and dried, it's important to address any saw cuts (also known as control joints) in the floor. The speaker successfully filled these with "Polylex from Rustoleum," noting that these filled cuts have not cracked or separated over time, demonstrating the product's effectiveness. This step aims to create a uniform surface before applying the epoxy, preventing the saw cuts from becoming weak points or being visible through the finished floor.

Goal: Prepare concrete saw cuts for a seamless epoxy application.

Tools and materials

  • Caulking gunApplying cartridge-based joint fillers precisely
  • Polylex from Rustoleum RustoleumFilling concrete saw cuts to create a smooth, continuous surface
  • Trowel or putty knifeSmoothing the applied filler to be flush with the concrete surface

What they say

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your saw cuts, not expansion joints, your saw cuts without them failing? You can. I did it last year and my saw cuts filled with Polylex from Rustoleum.

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