Let me mention @maknilsin to see if they can give us an update on the longevity of the coating. They do mention that they used a Dy-mark epoxy kit which might no longer be available in stores. Here are some equivalent Dy-mark garage floor products that are available.
We look forward to hearing about the projects around your house and garden and would encourage you to let us know any time you need assistance or have something to share. I trust you'll find loads of inspiration within the community as our members are sharing their amazing projects here every day.