Iowa’s Puddle Pavilion: 120 Liters of Algae Resin Dissolves

The Roof That Melts into the Air

The Puddle Pavilion in Iowa is not a roof, but a footprint of still water. Two volumes of algae resin, poured by hand without molds, solidified into free forms above slender columns. The gesture is not one of construction, but of release: the material was flowed, sprayed, and thrown onto the ground before being suspended. The process took 100 days of exposure to the climate, during which the resin absorbed humidity, light, and wind. The result is a shadow that does not cover, but dissolves. The covering is not a protection, but a memory of movement.

The resin was not produced in a factory, but extracted from algae collected locally. 300 kg of biomass were transformed into 120 liters of resin, an efficiency that is not measured in tons, but in time and in relationship. The floor is not a product, but an event that took place in the landscape. The roof does not protect the visitor, but invites them to stop, look up at the sky, and perceive the rhythm of time.

The Structure That Reveals Itself Over Time

The Puddle Pavilion was designed not to last. Its forms are fractal, not symmetrical, not repetitive. The algae resin erodes slowly, revealing traces of rain, sun, and wind. Every day, the surface loses a thin layer. The floor does not deteriorate, it transforms. The initial act of pouring the resin has become a continuous process of exposure.

The system is not designed to resist, but to be recognized over time. The floor is not a structure, but an experience. Its duration is not measured in years, but in events: rain, sun, wind. Its value lies not in maintenance, but in its ability to show its own process. The roof is not an object, but an action that is repeated every day.

The Command That Transforms into Listening

The i/thee studio doesn’t build buildings, but relationships. The term ‘cosentience’ is not an abstraction, but a method. Mud is not a material, but an interlocutor. Wood is not a structure, but a witness. Architecture is not a work, but a dialogue. The project doesn’t begin with a drawing, but with an observation: how does the water move in this place? How does the wind behave in this season?

The Puddle Pavilion was created by a team of 12 people, but no one decided the final result. The shape was determined by the climate, the amount of resin available, and the wind speed. The project doesn’t have a plan, but an attitude: to listen. The act of pouring the resin is not an act of power, but of trust. The floor is not a work, but an experience that unfolds over time.

Sustainability as a Process, Not a Result

The Puddle Pavilion is not sustainable because it uses natural materials, but because its value is measured over time. Its CO2 savings are 700 tons compared to concrete, but this number is not its strength. Its value lies in the fact that the material was not produced in a factory, but collected on site. It was not transported, but used immediately. It was not disposed of, but began to degrade.

The project does not have an end, but a path. The roof is not an object, but an action that is repeated every day. Its sustainability is not a result, but a process. The floor is not a product, but an experience that unfolds over time. The value is not in maintenance, but in the ability to show its own process.


Photo by Vadym Alyekseyenko on Unsplash
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