SIPs

Bellevue Net Zero

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Design for a new single family house on a suburban lot at the end of a cul-de-sac. 4700 square feet, 5 bedrooms, 5 bathrooms, with a 600 square foot Accessory Dwelling Unit. A residential elevator will bring homeowners and guests up to the top level great room with its views to the southeast. Exterior siding to be stained cedar boards with rusty steel panels for an accent. Walls will be R-35 Structural Insulated Panels, windows will be triple glazed, and the roof has room for a huge 14kW solar array. This project is in the schematic design phase.

Huff / Craven Net Zero House

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Design for a new net-zero-energy house including an airtight and superinsulated enclosure, heat recovery ventilation, and photovoltaic array.  Exposed beams in double height living room ceiling. Detached Accessory Dwelling Unit (DADU) wrapped in weathering steel with spiral stair inside.  Completed in summer 2018. 

Huppert remodel / addition

Located in the Fremont neighborhood of Seattle, this narrow, three story house has a magnificent view to the Olympic mountains.  The project added a two story Mother in Law (ADU) addition for a second family to rent. In between, a new skylit entry hall features a pond fed by rainwater from the addition roof.

Though similar in appearance to the main house, the ADU incorporates more progressive construction techniques than its 20-year-old parent.  ICF stem walls bear on footings of concrete mixed with 43% flyash.  Walls and roof structure are SIP insulated sandwich panels, and cement board siding is installed over a rain screen.

Heat is provided by a hydronic radiant slab below and a single fan coil unit above.  The roof gutters gather water in reused wine barrels for irrigating the yard.  The existing garage became a demonstration site for Seattle's eco-roof initiative.  Certified Built Green 3 Star.

Northwest Net Zero residence

New custom single family house, 5 bedrooms, 4 baths, with 2 car attached garage.  The homeowners requested a Northwest lodge style house.  VELOCIPEDE responded with a true timber frame structure, a shingled and stone exterior, and a wood burning masonry heater in the two story living room.

Interior finishes feature exposed timber beams, FSC certified fir ceilings and window trim, FSC certified cherry flooring and cabinets, slate tile flooring, and Venetian plaster walls.

Designed to be net zero energy and net zero water, with an 8.4 kW photovoltaic array on the roof, superinsulated and airtight SIP wall and roof construction, triple glazed windows, and 5100 gallon buried tanks for rainwater collection.  Certified LEED for Homes Platinum. 

Kushner / Klem cabin

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New custom vacation cabin in the mountains near Leavenworth, WA.  Two bedrooms, two baths plus sleeping loft.  Nestled in the forest, the simple form and honest materials of this cabin lend a rustic feel.  The great room at one end has a vaulted wood rafter ceiling and French doors that open to a generous porch that overlooks the Wenatchee River.

Features include radiant heated concrete floors, an indoor / outdoor wood burning soapstone fireplace, SIP roof panels, metal roofing, and a deck with a hot tub.