Description:

DE NEEF SWELLSEAL Joint is a vulcanized hydrophilic expansive rubber strip with a center pressure compensating tube for the sealing of concrete construction joints, pipe penetrations and joints in underground pre-cast elements. The flexible coextruded strip is a combination of chloroprene rubber and hydrophilic resin. DE NEEF SWELLSEAL Joint has an inner pressure-balancing zone which is also hydro- expansive, ensuring a perfect seal. The orange shoulder has a swelling capacity of up to 540% in contact with water. The black compression zone has a swelling capacity of 100%.

Application:

• Sealing joints between concrete pre-cast-elements (inspection shafts, sewers, collectors)
• Sealing smooth cold and construction joints
• Sealing pipe penetrations and block-outs

Advantages:

• Proven track record in structures subject to high water pressure
• Non-sag when correctly placed around pipes and in vertical joints
• Easily installed by nailing or using DE NEEF SWELLSEAL WA® ®
• Chemically inert and resistant to petroleum, mineral and vegetable oils and greases
• Exerts the least amount of expansion pressure of the DE NEEF SWELLSEAL preformed waterstop line® ®
• Reversible swelling properties