H.B. Fuller launches Kōfinity window insulation spacer portfolio

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Go back to H.B. Fuller launches Kōfinity window insulation spacer portfolio

H.B. Fuller Introduces Kōfinity™ Portfolio Featuring Fusion Bonded Spacers, Providing Maximum Performance in Window Seal Reliability

September 21, 2026 3:44 PM EDT

New portfolio builds on proven 4SG technology to deliver revolutionary insulating glass performance and durability.

ST. PAUL, Minn.--(BUSINESS WIRE)--

H.B. Fuller (NYSE: FUL), the worlds largest pureplay adhesives company, today announced the launch of Kfinity, a new product portfolio platform built on the company's proven 4SG technology and created to advance innovation in insulating glass (IG) solutions while maintaining the durability and long-term performance customers have come to expect from 4SG.

Window seal failure is one of the leading causes of home and building... More