Green Homes

Building for the future, today – combining the best of historical wisdom and modern technology.


Cordwood Home In Wisconsin

Having built my own mortgage-free, 1,600-square-foot cordwood home in 1979 for $15,000, I was fortunate enough to be one of a growing group of builders who were getting their “hands dirty” with various types of alternative construction. [Read how Richard completed his project in MOTHER’s article  published in 1984, "A Mortgage-Free, Owner-Built Cordwood Castle."]

Since then, my wife and I have helped hundreds of others build their own cordwood homes, saunas, meditation centers, sheds, barns and cabins. Additionally, we have hosted workshops, conferences and trained private family mortaring crews. Writing articles, consulting with cordwood homeowners and being lucky enough to be involved in a couple of major cordwood projects has helped me see first-hand the development of cordwood in North America.

This blog is going to be your window into the evolving world of cordwood construction. If a cordwoodRichard And Becky Flatau home is built with a "best practices" approach, it can be uniquely beautiful, energy-efficient, sustainable, and (if this is your goal) mortgage-free. It is my hope that this blog will guide potential builders from planning stages to occupancy of a well-built, energy-efficient, sustainably-built, one-of-a-kind cordwood home.  Included in the blog posts will be links to additional websites, blogs, articles and inspiring photos and albums of cordwood buildings throughout the world.

Please feel comfortable asking questions, making comments and offering suggestions. Cordwood works well with strawbale, cob, light straw-clay, earthbag, adobe and conventional construction and there are quite a few hybrid cordwood and another style homes and cottages being built.

Let's start a conversation and determine if cordwood or another form of natural building is right for you.

To find more information on building with cordwood, go to


Axe picture

Vipukirves is an efficient tool for chopping firewood, possessing many advantages, such as speed and work safety, over traditional axes and small hydraulic log splitters. Vipukirves separates sections from the log using a unique lever action that allows logs with branches to be split into firewood in seconds. The splitting force of Vipukirves is considerably stronger than with a traditional axe. Strike and loosen! 

Vipukirves has an ingenious design. Upon striking the log, it automatically turns to the right and detaches the chopped portion from the log. Vipukirves functions like a conventional axe with the exception that the user must loosen his/her the grip on the handle when the blade strikes the log. Chopped sections are removed with a single strike and the blade doesn't become lodged in the log, but keeps it in the same place and ready for the next strike."

See it in action here.



Rat TrapThere are certain less-than-glamorous homesteading chores that I am really good at. Shoveling, doing dishes, and trapping rats. Sigh. Rats around here are not the loathsome Norwegian variety, but rather wood rats, or pack rats, which look like a big mouse, Kinda cute. In the woods, they build pyramids of twigs 3 feet or so high — rat architecture — always in secluded spots, so you have to be bushwacking to come upon them. In semi-rural areas like this they cruise human habitations for easy pickins. One year I trapped over 40. For years I used the standard wooden Victor traps and would put peanut better in a little piece of plastic (with punched holes), tied to the trigger with baggie ties. Then I started sheet-metal-screwing a 1/2-inch copper pipe cap to the trigger, which I filled with peanut butter.

I went through maybe 4 types of other traps until I discovered these. They have a bait cup so the rat has to tug at it, thereby releasing spring — plenty strong enough to insure fatality.   I'm writing this after getting one last night that had been eluding me for a week. Outwitted by a rat night after night. Method: I washed 3 traps (getting rid of scent), smooshed some bacon in the cups, surrounded by smears of Skippy peanut butter — mwah! And whack! Mighty hunter.


Cold-Weather Layering

Brrr! Cold. For California, that is. Sunny morning. California defaults to blue skies in winter, whereas I've found Europe in winter defaults to grey. These mornings, it's 40 to 50 degrees inside the production studio. Right now I have on 5 layers -- silk undershirt, two different weight Smartwool Merino shirts, homemade vest, Patagonia down vest, homemade (fingerless) gloves, silk scarf and large wool scarf, homemade Alpaca wool knit hat. Oh, and Smartwool Merino wool longjohns, knee-length wool socks and Army fatigues (which I love for the pockets), Keen (the brand, that is) lightweight hiking boots. Actually, I never toted up all my winter clothes before. Layers. We have a couple of little 660-watt ceramic electric heaters which we use to heat the person, not the room. I leave mine on for maybe half an hour on cold mornings, then turn off. Take a walk to get blood moving.


Skinning Roadkill Fox

The other morning a large ice chest appeared in our yard with a note saying, "For Lloyd from Nate." Inside was a very large male grey fox that had been hit by a car. It had a beautiful glossy winter coat. There used to be lots of them around, then maybe 10 to 12 years ago, they all disappeared. Now coming back; beautiful, elegant little animals. They are to domestic dogs like buffalo are to beef cattle.salted

I skinned it, stretched it on a piece of plywood and salted it down. In a week I'll send it off to be tanned.



hill houseRD: In our last installment, we discussed the quantity reason for being an owner-builder: You can get more house building your own than buying ready-made, and that’s valid, as long as you listen to our warnings and be careful what you wish for. 

DW: But if you can afford it, why not just hire the professional specialists? I’ve gained more and more respect for the professionals through the years…. and my wife has, too, particularly after I mess up something I thought I would be easy to do myself.

RD: Well, I know this is going to sound weird, but I’m going out on a limb here and make the claim that the careful amateur can sometimes achieve better quality control than the professional contractor.  This is the quality reason – the owner-builder might spend more time and pay more attention to detail and end up with a higher quality product. The idea is “if you want it done right, do it yourself.”

David: Like the folks who built the beautiful house in the photo! I agree, but I think “sometimes” is the operable word here. You’re asking the owner-builder to accept responsibility for quality control. If you get too far out on a limb, it might break.

RD: True, but if you are responsible, you can spend more time doing a good job with details and finishes, and also be very selective with the selection of materials and sub-contractors. You can have a bit more relaxed schedule, and take the time necessary to achieve high quality.

DW: The quality oriented conscientious contractor will say “No way!” We wish they were all so righteous, but the professional general contractor has to deliver in a very imperfect world – time and money drive the job, and those two can prevail at the expense of quality.

RD:   That is a reality. If the bid price is too low; the crew too slow; the weather too bad; the owner too unreasonable about extras, or the contractor too ethically impaired, corners can be cut, often unbeknownst to the owner until after move-in. 

DW: More too-too’s.

RD: So be very careful about selecting anyone to help you with your project. Owner-builders who achieve high quality check the reputation and experience of any contractor, sub-contractor or helpers they hire.

DW: It’s important to recognize when that quality factor requires a professional, so I prescribe one healthy dose of modesty, and another of respect for the skilled professional, to stay in the mix.

RD: Recognize where high quality is a matter of carefulness and time and integrity – which hopefully you do have, and where high quality is a matter of skill that you may or may not have. The “healthy dose of modesty” is to know if you do or don’t.  If the latter is the case, then it is prudent to hire the professional.

DW: And we’re not talking about only hands-on skills.  It’s not just about the tools. Or, rather, it’s not just about the hands-on tools.  Understand the contracting “tools” – planning, organization, codes, timing, interpersonal skills.

RD: We’ll being offering this advice often: Understand what each professional contributes to the design and building process, and only then decide if you feel confident that you can displace that professional with your own efforts.

DW: There’s one more tool to discuss before we leave the subject.  How often have we heard versions of this optimism: ”I could design and draw the house and save the cost of an architect or draftsman.” As an architect I’m particularly cautious about encouraging folks to save costs by doing their own design. 

RD: I think every professional feels that way about his/her craft.  The owner-builder can’t expect to duplicate the experience or skill level of the expert, but if you hire the expert at every turn, there go your cost savings. 

DW: Design has a special place in the overall picture, though, because shortcomings in design can follow your project all the way through to an unhappy result.

RD:  I wouldn’t discourage someone from trying his/her hand at design, but at the very least, get someone experienced to look over the plans – you’ll have plans that are buildable and you’re likely to get some creative ideas that will make your new house much more special.

DW:  Even if you hire a design professional, you should still have a large role. Careful advance work on your part about the very specific aspects of your budget, values, lifestyle, and tastes are what the design pro needs – the “lumber”, if you will – to construct for you the optimum design.

RD: Never underestimate the value of professional input.  Especially for the “one man band” owner-builder, I advocate having a professional “guru” to turn to for advice – before you proceed. Surely for design input.  But also all the way through your project.

DW:  You needn’t spend a lot of money for some hours of consultation.  Here’s my guarantee: This will be some of highest return on investment of your entire project.

RD: Between us, we have a good (well, most of it good) 70 years of experience. We’ve seen many projects go very well and a few go poorly. 

DW: And we have learned what the difference is between major satisfaction and major bummerhood.

RD: Yes, and like you said earlier, you really might get satisfaction.

DW: I think satisfaction is the best reason to build your own house – It just plain feels good.

RD: Absolutely, like how good it feels to eat veggies out of your own garden.  Remember how good it felt when the bird moved into the birdhouse you built as a kid?

DW: Multiply that feeling a whole bunch to live in a house you’ve helped build yourself.

RD: And finally, my favorite reason: Lifestyle.  When you build your own house, you choose how lightly you live on this planet. David, you and I came of age during the “Whole Earth Catalog” era – when many of us took a really close look at how our society was using and abusing this planet and how we could live differently.

DW: And that has led you to playing a major role in the owner-builder movement since the late seventies.

RD: And you’ve been a major pioneer in the development and advocacy of passive solar architecture since the mid-seventies. 

DW: Our planet faces some of the same challenges as then, and some new and some much more urgent ones. Buildings – their materials, construction, use, and salvage – account for a large percentage of our total energy consumption. Start with your own house. 

RD: Building your own means you get to make the genuinely “green” choices:  From the really big ones like using solar design to the small ones like choosing low out-gassing subfloor adhesives.

DW: And all the other choices: you can buy local and regional materials; protect your site from erosion during construction; reduce waste and recycle almost everything.  Your many design and construction choices reflect your values.

RD: Well, we have talked about many of the reasons to undertake building your own house.

DW: If you have the time, talent and treasure there is no reason not to undertake what can be a very rewarding experience in your life.

RD: So David, let’s assume one undertakes the journey to build his or her own house -- the next step is getting ready. When all is said and done the major difference between extreme satisfaction and major bummerhood is preparation. And that’s our next topic.

About the house in the photo built by Steve and Sherree Hill: “We built our home in 1983 after taking the Owner Builder Center course in 1982 and buying our 5 acres in 1981. We have added on twice in 1985 & 1988. The decks were built in 1988 and rebuilt in 2010. We have remodeled the interior over all those years and will be through with that this summer. Through? What’s that?”


Debt Free HomeWe're looking for readers' stories about how they built their homes with little or no debt. Tell us your story by sending an email to We're looking for reports with accompanying photos, so send along any images you have, too!

Here are some of the things we'd like to know.

1. What tactics did you use to avoid a big mortgage? For example, did you build it slowly over a long period of time while living somewhere else, or did you build it largely by hand out of free, reclaimed or natural materials?

2. What kind of home did you build?

3. Can you estimate about how much the materials you used cost?

4. How many square feet is your home? 

5. How much of the labor did you do yourself?

6. Did you encounter any obstacles when working with building codes or inspectors?

7. Would you do it again?

8. Do you have any advice for others who want to do the same?


The Sky Ain't Cryin

Big news around here is no rain, and none in sight. Dry dry dry.

The ground is cryin.

Mushrooms are hidin.

Creeks are dribblin.

Hills, usually verdant this time of year, are brownish green, oh my.

People I pass on my walks say, beautiful day, I grit my teeth and agree.

A beautiful day right now would be torrents of rain.

Foraged Firewood

I rented a log splitter and Marco I split enough wood for two years in about five hours. Usually I pick up oak from the side of the road, but this year there was a ton of cypress and eucalyptus lying around, cut to firewood-sized logs, needing only splitting. Very few people around here get their own firewood these days; probably half the houses in these two small seaside towns are second units for city people who come infrequently. The do-it-yourself era around here ended years ago.

Killer Kayak

The Hammer, made by P&H in the UK, is a new and uniquely designed ocean kayak. Check out a video of it in the surf.

Note: you've got to put in a fair amount of time in order to maneuver around like this. If you live in the San Francisco area, check out the California Canoe and Kayak Co. in Jack London Square in Oakland. They must have over 100 boats in stock. If you're serious about buying a kayak and put down a $300 deposit, they will let you try out any number of kayaks over a three month period, keeping them for several days until you find the one that suits your needs.


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