The GrandCellar™ Double Deep Base Platform kit is positioned beneath the racking to evenly distribute its weight, preventing floor damage & enhancing stability. Additionally, it provides a level surface for the double deep racking, which is particularly important on uneven floors, ensuring secure & proper alignment. The double deep base platform kit is custom cut on site to fit. Made from high-quality woods & the option to finish with a custom WineSafe™ satin coat finish.