NDS 90S - 6IN Atrium Grate - Sand Screws Regularly inspect the overlapping cover

Regularly inspect the overlapping cover seal to ensure continued protection against dirt and debris infiltration

Excavation: Dig a trench 8 inches wider than the channel on each side and 4 inches deeper than the required finished height

Prepare the base: Create a 4-inch minimum concrete base

install the selected grates

NDS 90S - 6IN Atrium Grate - Sand Screws Regularly inspect the overlapping coverNDS 90S 6" Atrium Grate Sand Colors: Black (#90), Brass (#90B), Gray (#81), Green (#80) and Sand (#90S) The NDS 90S 6IN Atrium Grate is a durable and efficient drainage solution designed for outdoor spaces. This 6 inch round atrium grate effectively prevents debris from entering your drainage system while allowing water to flow freely. Ideal for use in landscaped areas, patios, and around downspouts, this grate helps maintain proper drainage and