She can send you information on Lonstage and other products manufactured by Lonseal. Not real shiny, but not so matte anymore. I would imagine there are other similiar products like Lonseal. When dealing with an investment of money and being stuck for a long time, I'd recommend a trip to the local Linoleum City and a visit with a salesperson. Take a coaster with you.
False floors are the poor man's sprung floor.
And it's really not that great for dancing on, just better than dancing on concrete. And very easy to put together. And a piece at the four foot mark. Yeah, it's springy in the middle but where the runners are it's hard. We use a false floor when we perform in the Walt Disney Modular Theatre.