The 4oz non-woven needle punched fabric is super popular with irrigation and drainage contractors. The needle-punching delivers excellent strength and also produces a felt like structure. The felt structure delivers superb filtration properties, while allowing a high volume of water to pass through...140 gpm!  The 4oz pond underlayment traps sand and sediment, keeping it from clogging lines and pumps.  At 4 oz. this product shares the same characteristics as our the 6 and 8 oz versions but is great for landscape jobs where a more economical approach is required. Likewise it is used in light to medium duty stabilization and filtration applications - for example, it is great behind retaining walls.

Applications include filtration, drainage, pond underlayment, erosion control, stabilization, and soil separation. The 6oz pond underlayment and 8oz pond underlayment fabrics are commonly used under Riprap in shoreline erosion control projects.  

Need larger roles or larger quantities?  We have the 4, 6, and 8 oz pond underlayment fabrics in many widths to choose from.  For example, erosion control projects usually leverage our 12’ or 15’ wide rolls.  For larger rolls or bulk orders view more variations of this product in our catalog.