Rypins-Risdon
Knotts
Abbott
O'Rouke
Herne
Fallen Leaf Lake
Ashland, OR
Connecting
Yin Yang
Lisbon Arts Center

 

Knotts Residence
 
   

Conditioned Space:
2160
s.f.

Cost:
$240/s.f
Wall Construction:
TridiPanel
Completed:
Summer 2009
Builder:
Sierra Sustainable Builders

The Knotts family loved their little mountain cabin and were devastated when they lost it in the fire. They were very happy with the original home and liked the look and feel of the Tahoe Cabin that it embodied and wanted to keep that character in the new design. The Knotts were also interested in a Green home that was energy and resource efficient, healthy, comfortable and an example of what can be done to build better homes in the Tahoe basin.

 
Photographs
 

This house retains the basic cabin form with an updated feel. The dormers are not just stuck on the roof but are articulated as separate elements in the mass of the building.  These towers serve as the solar component of the structure, harvesting natural daylight and solar heat. While the main block of the house has a concrete finish, the towers expand the material palette with recycled wood fencing and glass. Weathering steel siding, which will oxidize to a rust finish, is also used to express features in the building form. The interior embraces the same modernized rustic character in an open and light plan.

 
Plans
 

The house is oriented to the south to take advantage of the sun and the view. Drawing out the floor plan East-West allows more of the building to be accessible to the southern sun. The Living space of the building is open in plan, using the fireplace and loft to divide the space into separate functions. This space receives direct sunlight during the colder weather and stores it in the thermal mass to keep the home at a relatively constant temperature. The bedrooms are located on the East side of the structure so that they receive the morning sun and are kept separate and quiet from the public spaces. The overhangs have been sized using computer modeling to allow the winter sun to enter and to block the summer sun so that the house stays comfortable year round, yet allows for exceptional daylighting.

 
Construction
 

Exterior walls are constructed using the TridiPanel system. This revolutionary wall construction uses panels of 5” foam with a wire mesh on both sides on which 1-1/2” of concrete is applied. The result is a well insulated, tightly constructed thermal mass wall 8” thick. Besides being an important element in an energy saving design the wall is also fire and water damage resistant. Although solar electric and solar hydronic panels could not be included in the initial construction the home was pre wired and pre plumbed for their installation in the near future. Recycled wood fence boards were used for the exterior siding which helps to achieve the rustic character and control costs.

 
Green Features

Passive solar design
Daylight design
Structural shell built with Tridi- Panel walls made from recycled polystyrene and steel.
Structural system as finish surface.
Use of FSC certified sustainably harvested wood for a majority of structural framing.
Use of locally reclaimed wood for siding, trim, rails, and interior finish elements.
Exceptional energy efficiency (31% better than California requirements).
Use of formaldehyde free engineered wood products for cabinetry, subfloor, and roof sheathing.
Use of solvent free glues throughout.
Use of water based, low volatility wood finishes, interior and exterior.
Sustainably harvested, certified organically grown, Bamboo flooring.
Integrated solar infrastructure for future active solar collection, when budget permits.
Recycled decking.
Waste diversion program throughout building process- waste separation for recycling.
Dual flush, low flow toilets
Native landscaping & drip irrigation

 

 

 

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