Because I'm cheap, I'd like to use some leftover LVP (slightly modified) as baseboard around the un-heated garage to protect the drywall from powerwashing splashes and general water intrusion. (Splashes, not immersion/flooding.) I'll use caulk around the bottom (against the concrete) and the top (against the drywall). I'm wondering if that will be enough to hold it against the wall, while still allowing it to expand/contract with temperature. Walls are 24' long, and I was considering fastening it firmly only in the center... which would leave 12' in each direction to expand/contract into a ~3/8" gap at either end.
So... any recommendations on caulk that is suitably flexible? I'm thinking i
