SUNANDA Poly alk WP (Waterproofing_5 KG) Features & Benefits POLYALK WP is a most effective and proven acrylic polymeric waterproofing solution. Can be applied in moist and damp conditions For Example - exteriors, terraces, and Chajjas in wet spells of monsoon, underground and/or overhead water tanks almost immediately after emptying High flexural strength and extraordinary adhesion of polymer reinforces the high compressive strength property of cementations matrix Alkaline and compatible with concrete.