I only have used these, but they are great. I got the solid black ones, but do wish I'd gotten flecks. I have 9mm on the concrete in the garage, and it's sufficient thick (though I'm not dropping weights, and have crash pads for the small times I need to). They have held up very well, and do look really great. I didn't do perfect on one set so there is a small visible gap, but all the others it's almost impossible to see. We used the double-sided flooring tape from Rep, and it's stayed in place perfectly. No smells, and arrived on a pallet, each roll is like 100lbs. Overall, extremely happy with the quality and it does look amazing!
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