IMPORTANT! Before making your shower door selection, make sure walls are finished with tile or other materials, for proper measurements High quality 5/16 in. (8 mm) thick certified clear tempered glass; DreamLine exclusive ClearMax water and stain resistant glass coating Top and bottom guiderails can be trimmed up to 4 in. for width adjustment; Wall profiles accommodate up to 1/4 in. for out-of-plumb (uneven walls) Hardware finish: Matte Black; Minimum threshold depth of 3 in. is required for proper installation; Model is not compatible with SlimLine bases IMPORTANT! Before making your shower door selection, make sure walls are finished with tile or other materials, for proper measurements