CCB# 201748
Aprovecho Sustainable Shelter...VBC 2011 - Boise Eliot Market...Clary Rose Cob OvenChip-Slip SaunaRaven OvenStrawbale Wall at the Boom Fe...the Regithe Drop at Boomthe Dance Temple at BoomOther Great Projects at BoomEndlesss Possibilities with B...Rammed Earth ColumnVillage Building Convergence...Cob Loop-de-Loop!HOPES ConferenceUrbanite Retaining Wall at th...My Little Moon LodgeLiving Walls Earth Plaster &...'Living Walls' plaster over a...Natural Building Colloquium 2009Earthdance BambooRainwater Greenhouse - UpdateRainwater Greenhouse - From t...Rainwater Greenhouse ProjectRainwater Greenhouse - Flipbo...Suscol Strawbale - Part 4 Fin...Suscol Strawbale Project - Pa...Suscol Srawbale Project - Part 2Suscol Strawbale Project - Pa...Balifornia Bamboo - Pagodas a...Earthen Sculpture on the Itha...Crane Hill Bio-Char Kiln100-mile Bike Ride through th...West Coast Women's Permacultu...Oasis RemodelBamboo 'Star Scraper' for the...Making of 'the StarScraper'Tales of the Palapa MamaVoyage of the Great A'tuin...Earth & Lime Plasters at Apro...Bio-Char KilnPart 8: Finishing TouchesPart 7: PlasterCob Oven at the Wildflower HomePart 6: ThatchingPart 5: Roof FramingPart 4: Reclaimed Wood FloorPart 3: ArchesPart 2: Making bricks and WallsAdobe Home for Peggy & Jo --...Natural Building Apprenticesh...2009 Natural Building ColloquiumPlasters and Floors at the Ec...EcoNest Straw-ClayTimberframing at EcoNestPermaculture Design Course at...Leo Party at the Laughing HouseLinda's Little HelperBack to Cob CottageMaitreya Cob BenchPoison Oak hurtsCob Cottage Company

Aprovecho Sustainable Shelter Series 2011: Inside Insulation Course

Welcome to Aprovecho! This year is the first of an annual offering called the Sustainable Shelter Series. It's an amazing overview of natural construction techniques at a very beautiful place near Cottage Grove, Oregon. I'm here teaching the week-long insulation section of the series. This first picture is of the structure as I arrive to it, a beautiful hybrid timberframe ready for strawbales on the northwall, light clay straw on the east and west and chip-slip infill on the south. Talk about a lot going on in a little playhouse!

Bale infill begins the first day

Bales make great scaffolding too!

starting the mud mix for the light clay straw

this is a great screen system for a wheelbarrow, I want one of my own!

chinking the bales

ramming the straw clay

mixing table

making slip from the nearby pond's pure clay, what a resource!

more mixing!

the forms leap-frog up and before you know it, we've got solid walls!

reed mats for forms for the chip-slip sections

uh-oh, no workshop complete with out a mud fight!

one week and a dozen hard workers... and we've got some naturally insulated walls!

VBC 2011 - Boise Eliot Marketplace

This year at the Village Building Convergence, Portland's premier natural building and place-making event, I have teamed up with Mark Lombard to create a couple of cob benches for the future Boise-Elliot Marketplace at Fremont and Williams, in NE Portland.

Preparing the round poles for the roof structure

urbanite foundation for the benches

mark lombard :)

teaching cob

adorable round pole roof structures going up simultaneously

more cob!
dozens of people, from all walks of life get involved!

earth plaster base coat over the fresh benches, amazing how much we could accomplish in just one week

new friend kate!

living roofs planted as well!

Join us next year!
visit www.cityrepair.org for more info

Clary Rose Cob Oven






Welcome to Clary Rose Farm!
A wonderful new permaculture demonstraiton site near Fort Jones, California








As per usual, I'm here to get dirty and show a bunch of people how to make a functional oven out of mud and some salvaged materials

Laying the insulative layer, old bottles make great air pockets in a bed a slip-coated sawdust.

Starting the cob

Laying the hearth floor with fire bricks

the sand dome form

the arched doorway

we also build benches into either side of the oven and integrate existing fence posts into the structure

straw-clay for insulation

sculptural cob holds it in

almost to the top!

Carrie is going to do decorative earth plaster once the oven is dry.
We enjoy pizza the first night!

Chip-Slip Sauna

This project is one of the most refined natural buildings I have had the opportunity to work on.
It's a 10'x10' wood-fired sauna with chip-slip insulated walls and site soil earthen plasters.


The small building is framed with a quartered cedar log for the corner posts and stick-frame Larsen trusses in between.


Then we create the integral forms for the chip-slip with large reed matting.

We unroll the mats and secure them with staples as the walls get filled. These reeds mats will also work great as the plaster substrate.

The infill mix is half a bucket of site soil slip per two buckets of bark-free wood chips. I like to mix them on tarps and carry the tarps directly over to the wall cavities.

We wait several months for the wall to dry and then it's time to plaster! I add metal lathe and substrate details where ever its needed. The mix is screened site soil, mason's sand and chopped straw.

I also did several stained glass windows, including little sliders for ventilation.

and a six foot wide arched-top dormer window!

The finish coat of plaster is the same as the base coat except that the soil and straw has been screened to a finer level. We also add five coats of linseed oil. This darkens the color and protects the plaster from the elements.

oiling details

rear view of finished building

side view of sauna, with stone faced shower area

viola!

Raven Oven

Welcome to the community of Breitenbush Hotsprings!

I'm here leading the construction of an earthen oven with attached benches.
We decided to shape the oven as a raven, which has a lot of meaning for many of the members of this community.

Patrick has built a beautiful roof structure and stone foundation for the project.

The first workshop is focused on building the oven.


It's classic cob--all ages get involved!

At the next workshop, we build the wings and benches. The wings have an internal structure formed with wire fencing. Here Sara, the lead organizer of this project, is harvesting sand from the creek... This will work great for our plasters too.


The next workshop will be focused on painting the raven with an aliz, or clay paint. We are planning to do a design with Pacific Northwest Native American motifs. I'll post the workshop when the date gets set.


Until then, enjoy the pizza!



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