Plumbing professionals when they choose WingTite Shower Drains for immature construction or remodels it 's the tested choice to prevent later shower drain failures. If you 've got a leaking drain in a fiberglass or elastic shower, Wingtite is your CLEAR because it installs entirely from the TOP without removing the shower. sympathetic with triune sub-flooring systems, the UPC WingTite is the ONLY TOP installed shower drain using a proprietary O-ring sealing design. The O-ring rampant shower pan movement, preventing stress on the shower drain and pan, which is often the cause of the new drain failure. WingTite 's success is in the thousands installed by plumbing professionals and homeowners. In less than an hour the shower is, saving you a ton of time and money ! .