In the forests of Grödinge, Sweden, the spruce bark beetle is a harbinger of ecological imbalance. The insect weakens trees until their outer layers loosen and fall—a process typically viewed as the terminal stage of a forest's health. However, Ulf Mejergren Architects (UMA) has reframed this decay as a source of architectural abundance, harvesting the discarded bark to construct a primitive yet sophisticated shelter known as the Spruce Bark Hut.
The project operates at the intersection of two distinct biological logics: the destructive path of the beetle and the constructive habits of the ant. While the beetle provides the material by separating skin from trunk, the hut’s form is inspired by anthills, which use the verticality of a tree as a structural anchor. UMA built the hut around a living spruce, utilizing the trunk as a central pillar while a lightweight timber and masonite frame provides a secondary skeleton for the exterior cladding.
Unlike the rigid timber typically used in construction, spruce bark functions more like a textile. It is thin, pliable, and paper-like, allowing it to be layered, folded, and stapled onto the frame in overlapping sheets. This organic skin creates a weather-resistant envelope that acknowledges the lifecycle of the forest. By transforming the byproduct of an epidemic into a functional structure, the project suggests a path for architecture that works within the cycles of environmental stress rather than against them.
With reporting from Designboom.
Source · Designboom
