I want to use this flooring in a handicapped bathroom and will be installed in front of a curb less shower .i am sure their will be a lot of water on it and I am worried about it leaking in the seams to the wood subfloor . Mostly worried about mold and rot

The Coretec Plus is a waterproof flooring with a click and lock system that prevents water to get through the cracks. However, in case water sits for long periods of time and something was to fail this particular product is resistant to mold and mildew growth for cases like this. It's suggested as well to use an underlayment that would help with any mold or mildew that may occur.