Create Your Own PVC Shower Rack The tubes are all secured together with standard PVC sealant. The shelves are made from PVC board into which David cut draining slats. He attached the shelves to the holders using Liquid Nails. He even created a tension rod system, for which he used a smaller piece of PVC pipe that fits inside the main tube. There's a cap on each end. A spring below tensions against another small piece of PVC that sticks horizontally into the main pipe from inside the structure of
