The RP-BR36 36-inch tiling flange is designed to create a watertight barrier between the wall and a bathtub or shower base. This replacement part prevents water infiltration behind tiles, helping to stop mold growth and structural damage. Made from durable*, it is moisture- and warp-resistant, ensuring reliable long-term protection. Its standard 36-inch length fits most installations and can be trimmed for a precise fit. Easy to install, it integrates directly behind the tile during construction or renovation. By choosing this flange, you extend the life of your bathroom while maintaining the integrity of your walls.