AAA Playground Resilient Foam Drain Tiles assist in drainage and fall protection when combined with WoodCarpet, our Engineered Wood Fiber. The DuraDrain base panels feature milled drainage channels in the bottom. A DuraDrain panel consists of thermally fused, closed-cell polyethylene foam nuggets. The manufacturing process consists of pressure and heat to create a consistent layer of resilient cushioning and drainage. The panels can be installed on top of subsoil. If the subsoil is loose or sandy, a base layer of DuraLiner is recommended as a subsoil stabilizer under the DuraDrain. Available in one size, the DuraDrain Resilient Foam Drain Tiles are 90-inches wide by 36-inches long by 1-inch thick.