36" Waterproof PVC PolyMax Planks Beadboard AIC Millworks PVC . Even the most basic bath tub can be expensive. And when you are flipping homes, it's important to try to curb costs wherever possible while creating a superior product. My partner, Lance, came up with this tub trick and we've used it about 3 times now with extraordinary results. As much as I want to keep all our secrets to..