Experience the Fenzi difference
Upgrade your IG units with trusted, high-quality sealants.
Fenzi Group’s range of sealants specifically formulated for high-performance IG Units ensures maximum durability, energy efficiency, and long-term reliability.
With decades of expertise, the Fenzi Group is at the forefront of innovation, offering a complete range of certified, sustainable solutions tailored to the insulating glass industry.
Discover the difference our products can make for your insulating glass needs.
Fenzi high-performance solutions
Choose quality: advanced sealants that exceed expectations.
Thiover – Polysulfide-based secondary sealant
- Perfect adhesion: bonds seamlessly to glass and spacers.
- Superior mechanical resistance: maintains IGU integrity over time.
- Low permeability: protects against water vapor and gas leaks.
- Thermal efficiency: very low thermal conductivity.
- Safe and sustainable: free from solvents and harmful chemicals.
Certified standards: EN 1279-2/3/4, ASTM E2189-10, ASTM E2190-10.
Butylver – Primary sealant for maximum efficiency
- Exceptional resistance: protects against water vapor, gases, and UV rays.
- Strong adhesion: ensures tight seals around spacers and glass.
- Zero shrinkage: maintains structural integrity over time.
- Low thermal conductivity: optimizes overall IGU performance.
Approved by: Applus+, UNI, CEKAL, RAL 520, IGCC-IGMA.
Poliver AC – Polyurethane-based secondary sealant
- Superior moisture protection: keeps IGUs dry and intact.
- Gas retention: ensures long-term performance.
- High mechanical strength: suitable for double and triple-glazed units.
- UV & moisture stability: stands up to environmental stress.
Certified standards: EN 1279-2/3/4, ASTM E2189-10, ASTM E2190-10.
Hotver – Fast-setting thermoplastic sealant
- Rapid setting: optimized IGU production cycles without compromising quality.
- Recyclable: reusable thermoplastic formula.
- High mechanical resistance: perfect for dual and triple-glazed applications.
- Energy efficiency: contributes to top-tier energy ratings.
Certified standards: EN 1279-2/3/4, ASTM E2189-10, ASTM E2190-10.
Choose the right solution for your IG units
Fenzi offers a full range of cutting-edge products to meet your specific needs. Contact us to discover how our solutions can elevate your insulating glass units: info@fenzigroup.com
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FENZI S.p.A Via Trieste Zona Industriale, 20067 Tribiano (MI) Italy
Tel +39 02 906221
Copyright © 2025, FENZI S.p.A. Tutti i diritti riservati - P.Iva 11328880155
Tel +39 02 906221
Copyright © 2025, FENZI S.p.A. Tutti i diritti riservati - P.Iva 11328880155
