Description :

Sika Boom 405 Water Stop is a two-part, fast curing, self-expanding polyurethane sealing foam that doesn’t need ambient moisture to cure. Its high density and very fine, predominantly closed cell structure lead to a watertight seal in wall openings for pipes, ducts or pipe connections. The special packaging allows the application to be interrupted and then resumed by replacing the nozzle.

Uses :

Sika Boom®-405 Water Stop is used above and below
ground.

• Sika Boom®-405 Water Stop is used for interior and
  exterior applications.
• Sika Boom®-405 Water Stop is used for sealing:
• Wall openings for pipes or ducts.
• Cable ducts.
• Prefabricated concrete elements.
• Pipe connections, such as those in a manhole.
• Pipe plug seals for diameters up to 200 mm.

Characteristics/Advantages :

• Tested for up to 1 bar water pressure.
• Multiple instances of partial discharge possible.
• Ready to apply (no pre-activation needed).
• Very fast curing.
• Good dimensional stability when cured (no shrinkage or post-expansion).
• ?Good thermal insulation.
• Can be cut, trimmed, sanded and painted.