With the new generation of the Loctite Line, Henkel Engineered Wood is setting a new benchmark regarding fire protection requirements and safe construction according to the Eurocode (EC5) standards.
Fire protection requirements have increased in recent years, while timber buildings are considered the architecture of the future due to their climate-friendly properties. In this context, Henkel has developed the LOCTITE HB XE Line: It meets the highest fire protection requirements, addressing the growing importance of fire resistance in European timber buildings.
With the new generation of the Loctite Line, Henkel Engineered Wood is setting a benchmark for environmentally conscious and safe construction. The LOCTITE HB XE Line is the consistent further development of the proven LOCTITE HB polyurethane adhesives, which have been successfully used in timber construction for over 30 years.
Successfully tested in accordance with Eurocode 5 (EC5), the adhesive exhibits a linear charring rate of 0.65 mm/min which corresponds to the burn rate of unbonded wood. This significantly slows down charring, eliminating the risk of a "second flashover".
Fire simulations at ETH Zurich confirmed its superior fire resistance, expanding design possibilities for architects and engineers to create taller and more slender timber structures. According to EC5, the fire test successfully passed by Henkel ("Glue Line Integrity in Fire (GLIF) maintained") can be applied to CLT (cross-laminated timber) and GLT (glue laminated timber) components by users, eliminating the need for additional fire tests.
Beyond fire protection, the LOCTITE HB XE Line scores highly in terms of sustainability. It complies with strict health and safety standards and is free from restricted substances listed in certifications like the Nordic Swan Ecolabel.
The innovative adhesive optimises production processes: The combination of reduced open time and press time in the highly catalysed products of the line enables quick and precise application. In addition, it allows a seamless integration into existing production workflows.
The LOCTITE HB XE Line is specifically designed for the surface bonding of cross-laminated timber (CLT) and glued laminated timber (GLT). It is the ideal choice for CLT and GLT manufacturers who want to combine high performance and safety standards with efficient production.
For large-scale projects such as Luxembourg's Skypark, where Henkel's previous LOCTITE HB X was used, the new LOCTITE HB XE Line now offers an advanced fire- and heat-resistant solution, supporting the future of sustainable timber construction.
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