The Sika Boom-163 Evolution is a professional-grade expanding foam sealant designed for filling gaps, cracks, and joints in building construction and renovation projects.
Expands up to 3× its original volume to fill irregular gaps securely
Adheres to a wide range of substrates including concrete, brick, wood, and metal
Paintable and ready for finishing once cured
500 ml cartridge for precise, controlled application
Das zeichnet Sika Boom-163 Evolution aus
Unlike standard foams, the Boom-163 Evolution formula delivers a consistent, low-expansion foam that remains stable and does not sag or drip during application. The C189 classification ensures reliable performance across indoor and outdoor building envelope applications.
Ideal for...
Suitable for professional tradespeople and DIY installers working on insulation, weatherproofing, and gap-filling tasks in residential and commercial buildings. Particularly effective for sealing around window and door frames, pipe penetrations, and masonry joints.
Anwendung von Sika Boom-163 Evolution
Shake the cartridge thoroughly before use
Cut the nozzle at a 45° angle to the desired bead size
Apply the foam evenly into the gap or joint, allowing room for expansion
Allow to cure according to the manufacturer's instructions before painting or trimming excess
Sika is a Swiss-headquartered manufacturer of sealing and bonding products for the construction industry. The Boom-163 Evolution line focuses on professional expanding foams with controlled expansion and strong substrate adhesion.
It is an expanding foam sealant for filling gaps, cracks, and joints in building construction, such as around window and door frames, pipe penetrations, and masonry joints.
The foam adheres to concrete, brick, wood, metal, and most common building substrates without requiring a separate primer.
C189 is the European classification for low-expansion polyurethane foam, indicating controlled expansion and high dimensional stability after curing.
Yes, once fully cured, the foam surface can be painted with standard latex or acrylic paints.
The manufacturer provides a 24-month Herstellergarantie for this product.
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