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Clarify Joint Type and Fillability

0:39
1:03
12.8K views

At 0:39 in

Is it a saw cut or an expansion joint? #sawcut #expansionjoint #epoxyfloor #metallicfloor #epoxy

What happens here

The discussion touches on the common misuse of the terms 'saw cut' and 'expansion joint' generically. The expert clarifies that for the specific garage floor shown, the joints are 'true control joint saw cuts.' He reassures that these types of joints in a garage setting can typically be filled without issue. The rationale is that concrete, being a 'living breathing organism' for many years, will crack, but saw cuts would have already directed this cracking, and further movement in these specific joints is unlikely.

Goal: Determine the specific joint type in the garage and confirm if it can be filled.

What they say

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really more of an expansion joint. Uh we're kind of using the phrase just as a general there, but a true control joint saw cut like we have here in a garage. Those can be filled. Not an issue at all. Um concrete is a living breathing organism for 90 years. And so concrete cracks is just what it does, but likely it's already done its controlled cracking there and isn't going to happen again. So there you have it. They're saw cuts.

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