Upgrade your shower with Trimslate single threshold shower bases. Featuring a single add-on threshold that accommodates shower doors effortlessly. Threshold adjusts the maximum depth up to 2.5-in without any trimming of base. Crafted from solid sheet-molded compound material with sturdy structural ribs, it ensures durability and stability. Field trimmable for customization, it installs easily atop thinset mortar. The lightly textured slate floor is slip-resistant and easy to clean. Transolid FZST6648C Features: Transolid FZST6648C Specifications: