Squishy sound under interlocking rubber tiles
Hope everyone is doing well. I have a small 6×9 area in the basement that I have been using for a small workout area. I laid 6mil plastic down and then used 1/8 inch utility rubber floor tiles, the one with the coin design for grip. When you walk on the floor you can hear a squishing sound. Recently there was overflow of the kitchen sink so now I have to clean it out. This is my chance to fix it. I was wondering if I can use a self adhered liquid that would be equivalent to using 6 mil plastic. My wife also wanted the shock absorbent floor, the gym tiles they sell in most sporting goods stores. They are thicker but less durable. They are mostly made of EVA foam, not sure if there is a difference other than durability in terms of what I could use underneath.
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