Eco-Glue in Green Buildings: Henkel’s CLT Catalyst

Think glue doesn't change the world? Think again. In this thought-provoking episode of Adhesion Matters, we dive into the transformative role of bio-based adhesives in building the sustainable cities of tomorrow—through mass timber construction.What You’ll Discover:Mass Timber’s Quiet Revolution Engineered wood products like Cross-Laminated Timber (CLT) and Glulam are reshaping construction—with faster build times, lower CO₂ emissions, and scalable performance. But the real secret lies in the adhesive—just 4 kg of glue in a cubic meter of CLT, and yet it enables an essential leap in sustainability.The Green Backbone: Henkel’s Loctite HBS Eco Henkel is pioneering sustainable change. Their Loctite HBS Eco adhesive uses about 63% renewable and recycled content, cutting CO₂ emissions by a striking 66%—all while maintaining identical performance to traditional formulas.Traceability Without Overhaul How do you know it’s truly bio-based? Through a traceable mass-balance system, manufacturers can confidently swap in the greener adhesive without revamping equipment or certification processes.Circularity in Practice We spotlight Derricks Group, whose take-back guarantee for mass timber components underscores true circular design. In a dramatic test case, 60% of the timber from a building was reused in a new structure—enabled in part by sustainable adhesives.Tangible Impact in Real Numbers8 kg CO₂ savings per m³ of CLT—that’s a 10% reduction in footprint, equivalent to a 30–40-mile car drive.The adhesive’s 12-month shelf life, unchanged fire performance, and building-certification support make it a seamless, actionable upgrade.Barriers and Momentum While regulations and skilled labor shortages vary by region, the momentum behind mass timber, circular design, and renewable adhesives is unmistakable—and accelerating.Why You Should Listen:This episode reveals how a tiny amount of specially crafted glue can catalyze a massive shift in sustainable construction—and how chemistry, design, and circularity are interwoven in the buildings around us. If you're passionate about green engineering, climate-smart cities, or the unsung materials that shape our built environment—this episode is for you.