From time to time we will receive an email from a a reader asking what to do if their mat curls up on the end or will not lay flat. There are a couple of reasons that this can happen and the cause may affect the suggested solution — that is our cover our rear way of saying you should check with the manufacturer and don’t blame us
Fan the mats out and get some air underneath them. Reposition the mats and make sure they have the proper expansion and contraction gap. Trim as necessary to make sure a full 1/2″ is left at the walls, posts and other solid objects. Also cut the mats 1/2″ short of the garage door.
If you are still having an issue use an acrylic floor tape or 3M #80 spray adhesive along the front edge where the ripples appear. It is possible the issue will migrate but general this will resolve the problem.
According to a recent article by an industry insider adhesive can be used over the entire floor as a last resort.