Pine Plywood Spiral Staircases

Clean the Sky - Positive Eco Trends & Breakthroughs

EeStairs Collaborates with Julia Van Beuningen

— May 11, 2026 — Eco
EeStairs collaborated with interior architect Julia van Beuningen to design and fabricate a self-supporting spiral staircase made entirely from pine plywood. This structure was part of the renovation of Ahof Farm, a listed 19th-century barn in Nijkerk, Netherlands. It is said to transform the agricultural structure into a modern, positive-energy residence.

The pine plywood staircase features a helical form with no central support column. The design boasts crisp plywood edges, and a balustrade integrated into the treads. It serves to create a bold design statement within a space that otherwise relies on traditional materials such as lime plaster, flax, thatch, and exposed timber beams.

EeStairs' material choice is sustainable as the timber is FSC-certified and the firm relies on low-polluting adhesives and finishes.

Image Credit: ©EeStairs-Alex Baxter

Trend Themes

  1. Self-supporting Timber Structures — A helical, column-free staircase demonstrates potential for timber elements to carry structural loads in novel geometries, challenging steel-and-concrete dominance in mid-rise interiors.
  2. Integrated Staircase-furniture — Blending balustrade and tread into a single plywood assembly points toward multifunctional architectural components that combine circulation, storage, and sculptural presence.
  3. Low-impact Engineered Wood — Use of FSC-certified pine plywood with low-emission adhesives signals scalability for climate-conscious building systems that reduce embodied carbon across whole projects.

Industry Implications

  1. Architecture and Interior Design — Adaptive reuse projects can leverage expressive engineered-wood elements to reconcile heritage fabric with contemporary, energy-positive living concepts.
  2. Construction Materials Manufacturing — Manufacturers of laminated timber and sustainable adhesives may see demand for precision-cut, high-strength panels that enable fluid, load-bearing forms.
  3. Custom Millwork and Furniture — Artisanal joinery firms could expand into prefabricated structural components that function as both furniture and building infrastructure in compact residences.
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