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POSTED: April 12, 2002


San Francisco, CA -- April 12, 2002 -- Learn to make and use the low-cost and do-it-yourself materials Hybrid Adobe and Papercrete at Philip Mirkin's sustainable building workshops. Rather than cutting down trees for new construction, Hybrid Adobe and Papercrete reuse sawdust, junk mail, packaging, newspapers, and magazines, which are mixed with water, soil, clay, and cement to create remarkable new hybrid building materials.

Bay Area events include a seminar to be held at Fort Mason Center in San Francisco, on Saturday, April 27th from 11:30 AM to 4:30 PM. A hands-on workshop which complements the seminar will be held the following day in San Anselmo on Sunday, April 28th from 11:00 AM until 4:00 PM.

These practical seminars teach revolutionary forms of sustainable building using materials that are cheaper and easier to build with than classic adobe, conventional framing, concrete block, or strawbale. These materials can be combined with more traditional frame construction and strawbale for stand-alone construction or remodels of existing buildings. For sculpture, garden, and furniture-building, Hybrid Adobe and Papercrete are quick to mix and comparatively lightweight once cured.

Hybrid Adobe blends earth with recycled paper, sawdust, plant fibers, water, and a bonding agent such as cement to create a very strong, fibered, non-toxic material. When dry, Hybrid Adobe is lightweight, flexible, and easy to cut with a saw, lending itself to creative applications.

Papercrete mixes recycled paper, concrete, and air into a slurry, that when formed and dried, becomes a versatile building material which has similar properties to Hybrid Adobe. Compressive strengths of 300 pounds per square inch can be achieved when used for load-bearing walls.

Ready applications for Hybrid Adobe and Papercrete include conventional housing, add-ons, remodels, domes, garden walls, sculpture, and sheds. Extremely effective insulation levels can be achieved (typically R2 to R3 per inch). They can be applied to the exterior of an existing buildings as as a facelift, creating an attractive new surface that reduces heating and cooling costs substantially.

Additionally, these materials are remarkably inexpensive, since other than cement, all of the ingredients can be procured at little or no cost. Owner-built homes have been constructed in the U.S. for as little as $1,000. These low-cost sustainable techniques are beginning to revolutionize home construction in developing areas of the world, as well as here in the United States.

People who would like to use Hybrid Adobe and Papercrete for their own construction and sculpture projects, as well as those working in architecture and the building trades are encouraged to attend.



Hybrid Adobe Building Seminar and Sculpture Workshop


Saturday, April 27, 2002; 11:30 AM - 4:30 PM
Sunday, April 28, 2002; 11:00 AM - 4:00 PM


4/27 Seminar at Fort Mason Center, Room C260, San Francisco, CA
4/28 Hands-on Workshop at 404 San Francisco Blvd., San Anselmo, CA


Led by Philip Mirkin, Hybrid Adobe Builder from Colorado


SLIDING SCALE 4/27: $75 ($45 Low-income, $25 Students/elders 60+)
4/28: $50 ($25 students/elders/low-income)
Work Exchange and Scholarships available


For Seminar Information and Registration contact:
Phone: 866-305-1403
(After 4/22 one can also call: 415-776-9800)
View Philip Mirkin's web site with construction photos:


The seminar will be taught by builder Philip Mirkin. A UCLA graduate, Mirkin has led dozens of seminars in ancestral Puebloan architecture and hybrid adobe construction, and has published two books. He has remodeled many buildings and is currently building his own home of hybrid adobe and hybrid adobe-covered strawbale. As Director of Avant Garde Travel (since 1986), Philip Mirkin has led adventure trips to ancient Puebloan sites in the Southwest as well as dozens of humanitarian aid relief expeditions. Recent reviews and feature articles obtained on request.

Work exchange and scholarships are available. Space is limited and past seminars have filled. Secure a spot by sending a check or money order payable to "Philip Mirkin" and send c/o Thompson, 1909 Golden Gate Ave., San Francisco, CA 94115. A portion of event proceeds will fund free building seminars in developing nations.

For more information: call 866-305-1403; from April 21st to the 30th call Philip at 415-776-9800; email any time to

Web site: http://www.hybridadobe.com/


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