German International
School Sydney (GISS)

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Model Project

s.ustainable e.nvironmental ed.ucation spaces


KLH® – CLT was integral in the build of these unique 82 square meter classrooms, built to the German Passivhaus Standard. With careful off-site prefabrication, the RAICO Pacific team were able to assemble the all three learning spaces on-site in less than 5 hours!



  • 2022 Sustainability Awards: WINNER “Education & Research”
  • 2022 Timber Design Awards: WINNER “Sustainability”
  • 2022 Timber Design Awards: WINNER “Small Budget”
  • 2023 LEA NSW Award: Commendation “Small Projects”

Project Info

The three s.e.ed. classrooms, offer a healthy and comfortable learning environment for students of the German International School Sydney (GISS). Nestled within a nature-filled learning campus, they provide a modern, eco-friendly alternative to the traditional demountable classrooms found across Australian schools.

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Gewerbestrasse 4
A-8842 Teufenbach-Katsch
KLH Massivholz Wiesenau GmbH
Wiesenau 2
9462 Bad St. Leonhard

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