i am installing a basement sump on a short 18" high home made stand. I am also hanging a sheet of plywood on the poured concrete wall behind the sump for PVC hangers, conduit, reactors etc. what should I use to protect those wood surfaces? I've used Kilz in the past and it's held up pretty well. Anyone have other suggestions? I wouldn't mind something with texture (like rubbery if that makes sense)

