Article 1: From wooden frames to prefabricated boxes: the evolution of a construction system

After several months of hard work on the plans, we are finally reaching a crucial step: the finalization of our architectural project. This is a huge relief after a design phase that turned out to be longer than expected, with probably some details that will still evolve.

But more than a simple approval of the plans, this step marks a major turning point in our constructive approach. We are making a radical change in our construction system. Initially, we considered a classic approach: wooden frame with straw insulation. However, digging deeper into the feasibility and benefits of straw as a load-bearing material, we move to a load-bearing straw system.

What is a carrying straw system?

In reality, it is an innovative hybrid system that combines the best of two worlds. Instead of using straw only as insulation, we use it as a load-bearing structural element. The concept is based on prefabricated boxes almost 3 meters long, filled with bales of straw. Once filled, these boxes will be pre-stressed in the workshop, which will give the straw a remarkable load-bearing capacity.

Each wall element, once prestressed, will be stored on hold. The beauty of this system? Once all the elements are made, the assembly will be done almost like Lego. Each piece fits together with the next to form a cohesive and solid structure.

Theory and practice

Of course, we are aware that there is always a gap between theory and reality. On paper, it’s elegant and simple. But when we start assembling these walls in the field, with weather variables, construction site unforeseen events and team coordination, we will find out how this system will actually perform.

This is precisely why we chose this approach: it’s an exciting technical challenge, and we can’t wait to see how this innovative system works in real life.