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Sustainability Action Booster

Combining community, sauna, and circular prototyping

The grantees successfully built the world’s first a floating dock sauna using repurposed wind turbine blades and sustainably sourced wood. This innovative, accessible, and community-driven structure promotes sustainable materials by reducing reliance on high-emission dock construction.

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A wooden barrel sauna floating on water, with its reflection visible. It's a cloudy day with a wooden dock in the background.
Grantee With a team of 3 Grant sum Grant period More info on the project
Johannes Peace from Aalto University School of Chemical Engineering, School of Business and School of Arts, Design & Architecture, €9970 2.10.2024-30.2.2025 Aalto’s new community-built sauna floats on repurposed wind turbine blades | Aalto University

Located at Aalto University’s Otaniemi campus (Otaranta 9), the floating sauna will soon be open to all, offering a unique space for social connection, cultural exchange, and relaxation. Inspired by Helsinki’s Sompasauna, it provides a place to enjoy the Finnish sauna tradition and, for the bold, an occasional dip in ice-cold water.

Cross-disciplinary collaboration was key, requiring expertise from design, business, and engineering. The project fostered community, raised awareness of sustainable construction, and highlighted the potential of repurposing wind turbine blades — a pressing global challenge.

Best of luck to our grantees in bringing this pioneering vision to life!

Read more about the project & get involved!

A wooden barrel sauna floating on water, with its reflection visible. It's a cloudy day with a wooden dock in the background.

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Four people stand by a floating sauna on a sunny day near the shore. The sea and distant land are visible in the background.

Siipisauna Grand Opening & Improvements

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A fun, open doors grand opening event to inaugurate the sauna to the Aalto community aiming to get the community involved with the project, as well as celebrating the opening of a new, innovative sauna design.

Sustainability Action Booster
Aerial view of a seaside pier with a floating sauna, small boat docked nearby, and grassy shore with trees.

Aalto’s new community-built sauna floats on repurposed wind turbine blades

Aalto-born Reverlast is transforming old wind turbine blades into durable floating structures designed to withstand even harsh marine conditions

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This initiative was funded by:

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Sustainability Action Booster

Sustainability Action Booster grant is on a mission to empower students to unleash their creative ideas and implement their own sustainability actions. Whether you have a small project idea or a wild vision for sustainability - apply funding from us!

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