The DreamLine� Unidoor is a frameless swing shower door designed in step with modern market trends. The elegant design and an incredible range of sizes are combined in the Unidoor for the look of custom glass at an unparalleled value. With clean lines, modern accents and an upscale look, the Unidoor collection adds timeless style to any bathroom space. Glass is treated with DreamLine exclusive ClearMax� water repellant and stain resistant coating for superior protection and easy maintenance. Wall studs or other reinforcement behind finished walls required for hinge installation Professional installation recommended Flooring threshold depth should be a minimum of 1-1/2 in. Product Warranty: Limited Lifetime Manufacturer Warranty Warranty for any hardware in Oil Rubbed Bronze finish is limited to 1 (one) year