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a hut of spruce bark by ulf mejergren grows around a living tree in sweden

designboom.com·Apr 21, 2026

Ulf Mejergren Architects (UMA) has designed the Spruce Bark Hut in Grödinge, Sweden, using bark collected from spruce trees affected by the spruce bark beetle, transforming a sign of decay into a unique architectural structure. The hut, built around a living spruce trunk, features a lightweight timber frame and a flexible bark exterior, creating a distinctive, tent-like shelter that blends into its forest surroundings.

The Spruce Bark Hut by Ulf Mejergren Architects demonstrates an innovative approach to sustainable architecture by utilizing beetle-damaged spruce bark as a building material. This project highlights the potential for transforming traditional signs of decay into functional construction elements, offering a unique method for sustainable design that integrates naturally occurring materials and environmental influences into architectural solutions.

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