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Interlock Sealing

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INTRA Expanding Seal

The INTRA Expanding Seal is the product with watertight sheet pile joints as a result. This

Hydrophilic swelling sealant on Polyurethane (PU) basis expands up to 350% of its original volume when it comes into contact with moisture and it can be applied to the sheet piling interlock structure on site.

The advantages of the INTRA Expending Seal:

  • Due to its special formulation, INTRA Expanding Seal can be applied in moist conditions.
  • The INTRA Expanding Seal is very sustainable: it will exceed the construction’s lifespan.
  • Solvent free.
  • INTRA Expanding Seal adheres to steel, concrete, PVC, HDPE, fibreglass, etc.
  • In contact with moisture INTRA Expanding Seal will expand to about 350% of its original volume.
  • Flexible system, which adapts to the irregular surface of the substrate.
  • Easy application with a standard caulking gun.
  • Good chemical resistance: The ideal solution with contaminated soil.
  • Environmentally friendly (find the explanation further on this page).

The INTRA Expanding Seal is ideal for:

  • Sealing of the locks between sheet piles.
  • Sealing of joints of in-situ cast concrete in wet conditions.
  • Sealing joints between precast segments in wet or underwater applications (e.g. manholes, box culverts, cable ducts and pipes).

The INTRA Expanding Seal resists a water pressure of at least 10 bar/1000kPa. The pressure resistance test can be reviewed by sending us a request by e-mail.

Would you like to get more information about this product or get a quotation? Please feel free to contact us. Our specialists would love to answer all of your questions and give you a suiting advise.

Rely on us, Intra BV

INTRA Expanding Seal is an air moisture curing polyurethane sealant. The product does not contain any raw materials that are classified as dangerous to the environment.

Once cured, the expected life time is 100 years; during this life cycle INTRA Expanding Seal will not release any substances that are harmful to the environment, ground water or soil.

The INTRA Expanding Seal will be delivered in boxes, which contain 16 pieces of the requested product:

1

The consumption of the INTRA Expanding Seal is as followed:

2

Are you unsure on how much INTRA Expanding Seal you need to order, or do you want to know more about this product? Please feel free to contact us. Our specialists would love to answer all of your questions and give you a suiting advise.

Rely on us, Intra BV

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