Windhorse Orchard

Remaking a 2,300 sq ft single-family 2-story house built in 1986 clad in T1-11 plywood siding. The Passive house remodel is Living Building Challenge compliant. New siding and roof are made of non-toxic metal; photovoltaic panels, new triple-pane windows & insulated doors, sheep wool insulation and wood fiber external insulation (both compostable), using only FSC certified wood, bathrooms and laundry are plumbed to greywater irrigation system; new vacuum flush toilet (uses one pint of water), non-toxic building materials. Air-tight layer is Solitex Adero on outside of wall and roof sheathing tight into perimeter foundation, and Solitex Intello membrane on bottom of floor joists.
Detailed project info: www.windhorseorchard.com