SIKA BOOM-550 Fix&Fill

Sika Boom-550 Fix & Fill Expanding Foam

Sika Boom-550 Fix & Fill is a professional-grade, one-component expanding polyurethane foam designed for fast, efficient fixing, filling and sealing applications. This self-expanding foam expands to fill gaps, cracks and irregular spaces with ease, providing reliable performance across a wide range of construction and maintenance projects.

Key Features & Benefits

• One-component formula – no mixing required; simply apply with the Sika Boom G Dispenser gun
• Rapid curing – fast setting time reduces project duration and labour requirements
• High thermal insulation – excellent insulating properties help maintain temperature control and improve energy efficiency
• Sound reduction – effectively reduces noise and sound transmission, ideal for acoustic insulation
• CFC-free propellant – environmentally responsible formulation safe for interior and exterior use

Recommended Applications

Sika Boom-550 Fix & Fill is perfect for:

• Fixing and insulating around window and door frames
• Sealing pipe penetrations and gaps
• Insulating air-conditioning system openings
• Filling shutter drum cavities
• General gap filling and weatherproofing

Why Choose Sika Boom-550?

This professional expanding foam combines ease of application, fast curing times and superior insulation performance in one reliable product. Once cured, the foam can be cut, sawn or plastered, making it versatile for finishing applications. Perfect for both professional contractors and DIY enthusiasts seeking high-quality results.