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These
homeowners loved the idea of "totally freeform,
sculpted walls using only natural materials."
Their elegant cob house is made from simple, local
materials: clay, sand, straw, and jewel-like glass
bottles in the wall, which provide light and color
while preserving privacy (1). The wood stove provides
ample heat in winter to the small, compact living
space while the north facing wall with small windows
minimizes heat loss (2). Natural plaster made from
clay, pigment, and mica provides a non-toxic interior
finish that is elegant and healthy (2). Cobb is a
versatile method, allowing for an endless variety
of organic shapes and applications. This traditional
horno oven eliminates the need for electricity or
gas and, once heated with wood, retains heat well
because of its thermal mass (3). Even with New Mexico's
scant rains, the large surface area of the roof allows
for plenty of water to be collected for showers, dishwashing,
and watering of plants (4).
Green
materials, techniques, & features: recycled
lumber; cobb (clay/sand/straw); earth plasters; passive
solar; rain catchment; reuse of gray water; recycled
materials; north wall is bermed into the hillside;
water-efficient washing machine with ecocycle; composting
toilet.
Utilities
and cost: Around $7,000 to build including appliances
($12-$15/sq.ft.). Only a small amount of wood is needed
each winter to heat the house.
Advice
from the owners: "There is no reason that
anyone can't do it themselves"
| Off-the-grid
Contemporary |
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This
passive/active solar, off-the-grid adobe home is an
example of elegant, energy-efficient living. The few
small windows on the east wall provide cross ventilation
(3) while the south-facing wall upstairs allows for
direct solar gain (2). Decking material is made of
sawdust and post-consumer recycled plastic. The exposed,
unplastered walls show the exquisite craftsmanship
of the adobe tower (2). Beams, ceilings, and floors
are locally milled fire-killed Douglas fir (3).
Green materials, techniques, & features: interior
paints are zero volatile organic compound clay paint;
floors are finished with beeswax and linseed oil;
windows and patio doors have low-E glass. Tight construction
minimizes air leaks. Radiant heating installed in
concrete floors. Most windows are on south-facing
side. Incorporates overhangs for shading from summer
sun. Single-layer floor/ceiling between first and
second floors with registers to allow airflow.
Utilities
and cost: Because the homeowner has just moved
into the house, no figures were provided..
Advice
from the owners: "Listen to the land!"
Facts
and terms from: Green Building: Project Planning
& Cost Estimating, RS Means, 2002.
Photos by Marya
Gendron, except where noted.
View the rest of the
exhibit here:
