WebUse of Hydrophobic and Hydrophilic Polyurethanes for Crack Injection. Polyurethane foams used in concrete repair to prevent water penetration through concrete cracks are said to be either hydrophobic or hydrophilic in behavior. Both types can be used to stop water in concrete crack repair, but hydrophobic systems are best suited for permanent ... WebSuperswell 47B is a high expansion butyl bentonite based hydrophilic waterstop for sealing joints between concrete. Select Overview Typical Applications Non-movement joints eg. horizontal construction joints between floor slabs Cast in situ walls such as lift overrun pits, retaining walls and similar Advantages Requires no site welding

Concrete Waterstops Why type is best for your project?

Webfor structural concrete with a minimum of 20 N/mm² compressive strength. WATER-STOP-RX® 101 requires a minimum of 75 mm of concrete coverage. WATERSTOP-RX® 103 requires a minimum concrete coverage of 50 mm. WATERSTOP-RX® should only be used in applications where the product is completely encapsulated within the concrete. Web21 dec. 2024 · The high expansion capacity of hydrophilic material – Hydrotite, provides an initial compression seal with reserve expansion capacity to accommodate future joint … bitterroot valley church of the nazarene

Crack Injection Polyurethanes: Hydrophobic vs. Hydrophilic?

WebHydrophilic Grouts Because hydrophilics seek out water in a crack, they absorb into tight cracks and pores of the concrete or masonry and have a tenacious bond to wet concrete. They should be used to stop leaks via crack or joint injection and are a … WebLeakmaster is a one-component swelling waterstop sealant that, like Hydrotite, expands on contact with water. Prior to expansion, Leakmaster is suitable for bonding to a wide … WebOne component hydrophilic sealant Advantages Fast curing – Enables early concrete pour and rapid return to service. Excellent seal on rough concrete: Gives improved … bitterroot uses