Take a look inside the world’s first net-zero wood truss airplane hangar, located in Concord, New Hampshire. Designed by SMP and built by Silver Maple Construction for United Therapeutics, the 36,000-square-foot structure features 210-foot clear-span glulam and steel roof trusses supported by 42-foot-tall glulam columns. The exterior is clad in Richlite, a naturally non-porous, FSC®-certified material known for its durability in harsh weather. Easily milled, Richlite was key to achieving the hangar’s signature curved facade.

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At its core are 210-foot clear-span glulam and steel roof trusses, supported by towering 42-foot glulam columns. The exterior is clad in Richlite—a naturally non-porous, FSC®-certified material renowned for its resilience in extreme weather conditions. Easily milled and highly durable, Richlite was instrumental in shaping the hangar’s signature curved façade, marrying form with function in a striking display of modern design.