Cetco Hydrobar Tubes 2' Per Piece 16 Pcs/Cs

2" Diameter, Material Sodium Bentonite, Solid, Waterproof, HYDROBAR® Water Soluble Tubing (16 per Carton)

A Detailing Accessory Product For Cetco Waterproofing Systems Used at The Footing or Wall Junction to Provide Additional Waterproofing Protection. They Consist of a Thin, Water-Soluble Tubing Filled With Granular Sodium Bentonite. When Wetted, The Tubing Dissolves, Allowing The Bentonite To Hydrate and Form Into A Dense, Low Permeable Material That Combines With The Sodium Bentonite in The Volclay System Products. Each Tube Measures 2 Inch (50 Mm) In Diameter Assuring A Consistent Application of Sodium Bentonite At The Critical Footing or Wall Junction. Mineralogical Composition of The Sodium Bentonite is A Minimum 90 Percent Montmorillonite With A Maximum 10 Percent Native Sediments And Unaltered Volcanic Ash. Typical Sieve Analysis is 90 Percent Through A 20 Mesh Sieve and 10 Percent Through a 200 Mesh Sieve. Free Swell Rating of The Bentonite is Two Grams Sifted Into Deionized Water Swells To Occupy A Minimum Volume of 16. Designed to Work in Conjunction With Volclay Waterproofing Membranes At The Footing or Wall Junction of Foundation Walls. The Tubes are a Convenient Method of Providing Additional Waterproofing Protection at This Critical Junction. They Are Not an Expansion Joint Sealant.