
Date: 22 April 2025
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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