20 x 20 FT 6oz Heavy Duty Non Woven Geotextile Pond Underlayment Fabric, Protective Liner Underlay with 10 U-Pins, Weed Barrier Cushion for Outdoor Ponds, Streams, Fountains and Garden Waterfalls

This 20 x 20 FT heavy-duty non-woven geotextile underlayment is made of high-quality thickened fabric material with stable and durable structural performance. Designed as a professional protective cushion layer for outdoor water features, it effectively blocks sharp objects and tree roots to prevent various pond liners from being scratched or punctured. The fabric fixes soil structure to avoid displacement and water distribution unevenness, enhancing overall pond stability. Equipped with 10 U-pins for firm fixation, it enables effortless and tidy installation without complicated tools. Compatible with multiple mainstream liner materials, it reduces liner wear and cuts daily maintenance workload. Besides protecting fish ponds, streams and garden waterfalls, it works well as a practical weed barrier and protective fabric for landscape renovation and general construction use.