Product Name : PENTENS Swellable Waterstop SW20.
Dimensions : 19mm x 25mm x 5m per roll.
Packaging : 6 rolls per box.
Material : High-quality swellable waterstop for effective waterproofing.
Usage : Ideal for construction joints and underground structures.
Function : Expands upon contact with water to create a tight seal.
Durability : Resistant to aging, chemicals, and environmental factors.