Protects foundation from ground water. Dimple sheet provides capillary break. Air gap allows incidental water to freely drain by gravity. Eliminates interior dampness and musty odours. Reliably bridges foundation cracks and deflects soil moisture. Continues to function even if foundation shifts or cracks. No unpleasant chemical odours or harmful VOC’s. Resists damage from backfill, like rocks and debris. High compressive strength of dimples resists soil pressure. Durable plastic and recycled HDPE core is encased by virgin HDPE. Easy installation. Installs in all types of weather. 8' x 65'-6"