![DELTA products, DELTA-DRAIN](https://www.portlandstoneware.com/wp-content/uploads/2016/02/DELTA-DRAIN.jpg)
Foundation
- Polypropylne drainage core allows incoming water to freely drain to the footing perimeter
- Dimple pattern provides high compressive strength and acts as a highly effective protection layer for the waterproofing material during backfill
- Available in 6′ and 8′ wide rolls, DELTA®-DRAIN is the largest size drainboard available on the market today, making installation quick and easy