• Perforated Dimple Drain

• Dimple Drain

.  The dimple drain comes in multiple configurations. The main characteristic you need to understand is the flow rate, compressive strength, and fabric.  There are  ¼” thickness giving it a flow rate of 9 gall per min per foot, the compressive strength of 10,000 psf, and a 3.5 oz non-woven fabric.  The main use is for backfilled and retaining walls up to 20 feet in depth (most economical choice).  There are  (High Strength) is ¼” thickness giving it a flow rate of 9 gall per min per foot, the compressive strength of 30,000 psf, and a spun-bonded fabric.  The compressive strength gives it the ability to use horizontally when other trades are working on it to install the overburden.

• Entangled Net

.  The spun-bonded fabric allows you to pour concrete for it does not adhere which allows the fabric not to get destroyed due to thermal movement. There are 7/16” thickness giving a flow rate of 16 gall per minute per foot. The compressive strength is 15,000 psf with a 3.5 ox non-woven.  This has a superior flow rate and can be used in horizontal vertical applications. There also have polymer film backing.