Fill Concrete Saw Cuts with Flexible Filler

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

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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 gun — Applying cartridge-based joint fillers precisely
Polylex from Rustoleum Rustoleum — Filling concrete saw cuts to create a smooth, continuous surface
Trowel or putty knife — Smoothing the applied filler to be flush with the concrete surface

What they say

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Can you actually put an epoxy floor down without grinding it or chemically acid etching it? Absolutely. Here's the perfect example. Can you actually fill 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. They're not cracked. They're not separated. The floor didn't come up from hot tire pickup like everybody was saying it was going to last a week to

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