Sika Boom®

One-component, polyurethane foam

Sika Boom® is a pre-pressurized, portable, one-component, polyurethane foam system applied in a bead form. Sika Boom® expands and cures slowly to a semi-rigid, closed cell foam upon reaction with moisture, such as ambient humidity. It is designed for easy dispensing through a straw adapter that is included with each can.

  • Tack-free in approximately 5 minutes or less, based on moisture/temperature conditions.
  • Fully cures within 12 to 24 hours.
  • Cured foam can be sanded, painted or covered
  • Cured foam is resistant to heat and cold.
  • Adheres to most building materials.
  • Expands 2 to 3 times its original size.