stage floor material

Hello!I am looking to paint my stage floor for an upcoming production of Tuck Everlasting. I am want to add some intricate detailing at the front of the stage. What would you seal it with? I have to use Home Depot due to educational purchase orders.

Several years ago, we were looking into future resurfacing of our stage surface. We have a Plyron surface now (plywood fused with hardboard on each side and pained flat black.) I came across a website for a material that was made of recycled solid through plastic, or composite material, I...