Introducing our top-of-the-line HDPE dimple drainage board drain sheet, specially designed for superior roof waterproofing and landscaping purposes. Manufactured by our trusted factory with the highest grade of High-Density Polyethylene (HDPE) material, this product features an amazing drainage capacity that effectively prevents water buildup and moisture damage. The unique dimple pattern provides excellent ventilation and aeration, keeping the soil healthy and preventing root rot. Our factory guarantees the quality and durability of this product, making it a wise choice for all your drainage needs.