When doing installation or construction work, there are almost always large gaps, joints and penetrations - the majority of which are not visible in our daily life, as they are usually covered. Commonly, such gaps exist between window or door frames and the surrounding wall, or the area around a conduit penetration.

To fill these cavities permanently, it is important to fill them with a high quality sealant to keep the joint well-insulated, especially against acoustic or thermal transfer. Expanding foam sealants work fast, are easy to use and seal even the most unusually-shaped gaps.

Sika’s Solutions for Joint Sealing with Expansion Foam

We provide a complete range of Sika Boom® high quality expanding foams designated for various application fields. Use it to fix, fill and insulate against noise, cold and drafts, as it has good insulation properties and is effective at dampening sound.

Sika Boom® is easy-to-apply either with a nozzle or a dispenser gun. Its formulation allows for an extra high yield, providing a high volume of cured foam per can and saving time during application. It is resistant to aging and adheres well to most common building materials.

Key Uses of Sika Expanding Foam Sealants
  • Acoustic and thermal insulation
  • Filling construction joints (for example, around window and door frames)
  • Filling pipe and ductwork inlets
  • Bonding of insulation panels

Application Examples

Fire resistant expansion foam for linear seals
Application of Sika Boom Expansion foam - Illustration
Application of Sika Boom Expansion foam - Illustration
Application of Sika Boom Expansion foam - Illustration
Application of Sika Boom Expansion foam - Illustration