using curved wood, sotamaa crafts aerodynamic 'kivi sauna' on finnish archipelago

using curved wood, sotamaa crafts aerodynamic 'kivi sauna' on finnish archipelago

kivi sauna reveals an aerodynamic and scale-like design

 

Helsinki-based practice Ateljé Sotamaa presents the Kivi Sauna in the outer Finnish archipelago. Constructed with mass timber, the volume’s elemental form echoes the vastness of the open sea and the island’s stark rock landscapes. Both its form and materials were chosen not just for their aesthetic charm but also for their functional benefits. Its aerodynamic shape and fish-scale-like outer layer, crafted from curved wood panels and Leadax flashing, ensure the sauna remains unyielding against the elements. ‘Ultimately, our ambition was to craft a sanctuary that feels inherently part of the archipelago, resonating both aesthetically and functionally,’ concludes Sotamaa.

using curved wood, sotamaa crafts aerodynamic 'kivi sauna' on finnish archipelago
all images courtesy Sotamaa

 

 

Ateljé Sotamaa combines CLT and leadax

 

The team at Ateljé Sotamaa specifically uses Cross Laminated Timber (CLT) sourced responsibly from Finnish forests provided by local company Crosslam Ltd. Inside, the Kivi Sauna boasts vast CLT sheets, while its undulating exterior is crafted from milled CLT panels. Nestled between these layers is a sturdy timber frame; a singular, expansive horizontal window completes the structure, offering scenic views of the archipelago and the sprawling sea.

 

While predominantly wooden, the Kivi Sauna exterior has a unique finish. Clad in Leadax—a sustainable alternative to traditional roofing, this material is derived from recycled car window reinforcement plastic. Possessing the functionality of traditional lead roofing without the environmental repercussions, Leadax can be repurposed up to seven times. Coupled with the mass timber, the entire structure designed by the Sotamaa team embodies circular sustainability.

using curved wood, sotamaa crafts aerodynamic 'kivi sauna' on finnish archipelago
Kivi Sauna by Ateljé Sotamaa

using curved wood, sotamaa crafts aerodynamic 'kivi sauna' on finnish archipelago
view toward interiors

using curved wood, sotamaa crafts aerodynamic 'kivi sauna' on finnish archipelago
the design reflects the site’s rocky landscape

using curved wood, sotamaa crafts aerodynamic 'kivi sauna' on finnish archipelago
CLT construction process

using curved wood, sotamaa crafts aerodynamic 'kivi sauna' on finnish archipelago
using mass timber

kivi-sauna-designboom-full-2

framing scenic views of the surroundings

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