Dipl. Ing. (BA) Eugen Spitaler (Ext. -48, Email)

Innovative jointing techniques in timber engineering



The specialized division of fasteners deals with the development, approval and testing as well as the inspection of connections between wood components and between wood and steel components. Also adhesive joints are increasingly gaining importance.

Research and development

Fasteners/ Jointing techniques in timber engineering

Fasteners and jointing techniques are of immense importance for both new buildings as well as for rehabilitation of existing defective or heavy-duty load-bearing timber constructions. Starting points for research projects are the evaluation and development of adhesive joints (wood-wood, wood-steel) as well as of mechanical fasteners for on-site renovation and for repairing the damage in solid wood elements or glued laminated timber in situ. This makes necessary the development of new adhesive systems, since the existing renovation procedure is very laborious and bears dangers by means of  heat generation  for  the  personnel   carrying out the bonding operation.

Anchoring of buildings

Traditionally developed fasteners and connecting techniques are employed for the anchoring of buildings (e.g. prefabricated houses, sport halls..).. The suitability of these fasteners should be checked, optimised and further developed with new approaches.

Testing and Inspection

  • Dowel-type fasteners in accordance with ÖNORM EN 14592

  • Connectors for Timber structures in accordance with ÖNORM EN 14545

  • Manufacture of metal plate fasteners for prefabricated structures accordance with ÖNORM EN 14250

  • German building-authority approval

Further services

based on national or international standards are offered based on the customer´s requests.

 In cases of construction damages, expert’s reports can be arranged / conducted.

Special facilities

  • Universal testing machine (275 bzw. 100 kN)

  • Component testing facility (600 kN)

  • Test machine for tensile tests 1200 kN

  • Conditioning and climate chambers

Additional information can be found at:

Timber Engineering

Structural analysis

Analysis of structural defects /Endoscopy