Archello Awards 2026 · Enter your projects before 30 September 2026
Archello Awards 2026 · Enter your projects before 30 September 2026
Timber joints

GLT® structural finger jointed solid timber

  • GWP Total: 146.42 kg CO₂e/m²
  • GWP A1-A3: -608.00 kg CO₂e/m²

Structural Finger-Jointed Solid Timber & GLT® – Girder Longitudinally Tensile Tested. Solid structural timber is a construction material with precisely defined product characteristics specifically developed to meet the high demands of modern timber construction. This product is technically dried, strength-graded, and made from finger-jointed solid softwood timber.

 

Applications
- Detached houses and apartment buildings
- Multi-storey residential buildings
- Industrial and hall-type buildings

- Spars and purlins for roofing structures
- Main beams in ceilings, including exposed areas
- Transoms and posts in lightweight timber construction
- Log house profiles
- Beam-shaped timber for carpentry
- Substructure timber

 

Advantages
- High load-carrying capacity combined with low density
- Dimensionally stable due to technical drying
- High fire resistance and chemical resistance
- Excellent thermal insulation properties
- Solid timber without glued joints
- Maximum safety in the finger joint, validated through tensile tests under Austrian standard B 4125 or ETA-13/0644
- Transparent glue line in the finger joint

David Rubenstein Treehouse at Harvard University

International architecture and urban design firm Studio Gang has completed the David Rubenstein Treehouse at Harvard University. As Harvard’s first mass timber building, it offers a model of high-performance, low-carbon design for institutions in Boston and beyond. Serving as a university-wide convening hub, the building anchors the new Enterprise Research Campus (ERC) in Boston’s A...

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DTU Climate Challenge Laboratory B313

Located at the heart of the Technical University of Denmark (DTU), the B313 Climate Challenge Laboratory is a pioneering research facility that embodies the university’s ambition to lead sustainable development through innovation, inclusivity, and architectural excellence. Designed to address the urgent global challenges of climate change, B313 integrates high-quality research environment...

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Il Pino

Perched amidst the towering pines of Tarvisio, Italy, Il Pino by Beltrame Studio is a contemporary treehouse designed to blend into the Alpine forest. Completed in August 2023, the project reinterprets the essence of a tree, both in form and materiality, to create an immersive natural retreat. This distinctive 45-square-meter residence provides an engaging architectural experience that...

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