Acts Like A Backsplash, Preventing Food Spatters On Wall Tile, Exposed Brick, And Other Surfaces Behind The Range. Also, It Creates A Thermal Barrier For Combustible Surfaces. The Shelf Has A Usable Depth Of Approximately 8.5" And Will Support Up To 30 Pounds. Keeps Food Warm When Paired With A 27" Deep Hood With Heat Lamps.