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Earthship New ZealandEarthship New Zealand http://earthship.co.nz Living for tomorrow, today... Wed, 27 May 2015 07:55:18 +0000 en-US hourly 1 Earthship Hut for Vanuatu workers http://earthship.co.nz/earthship-hut-for-vanuatu-workers/ http://earthship.co.nz/earthship-hut-for-vanuatu-workers/#comments Wed, 27 May 2015 07:55:18 +0000 http://earthship.co.nz/?p=1953 TP TNA earthship initative

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Putting the EARTH in Earthships http://earthship.co.nz/putting-the-earth-in-earthships/ http://earthship.co.nz/putting-the-earth-in-earthships/#comments Wed, 20 May 2015 08:22:35 +0000 http://earthship.co.nz/?p=1932 cob4This next session on the Earthship at Te Timatanga is all about Earth. Clay really to be more precise. Clay is like nothing else, a wonderful material that is very versatile, and in most places found on the site where you plan to build. With the right knowledge of subsoils, testing, combining, drying, application and sealing it can be a fantastic building material. Traditional Earthships use far more cement and less clay, but on this build we’re trying to keep it as natural as possible – being more environmentally friendly, cheaper, less toxic and just a nicer feel. Also its easy to use, the walls can regulate moisture, they are great sound barriers and they are amazing thermal mass (storage of heat).

So far, on this Earthship, we have used Cob for pack out, mudbricks for some internal walls, chip ‘n’ slip for others, and soon will be starting earthen renders on the walls. The upcoming session will be teaching a lot of these techniques, which will be a 2 week internship working on interiors of the ship. June 22nd – July 3rd.



Cob a very old technique for building with earth. Its the name given to the mixture of clay, aggregate and a binder, that is mixed (by foot, machinery or animal) and used primarily to build walls. It creates a very strong structure when it dries, and can be either load bearing (structural) or infill (between a post and beam structure).

“A cob cottage is the ultimate expression of ecological design. Made of the oldest, most available materials imaginable – earth, clay, sand, straw and water – cob houses are not only compatible  with their surroundings, they ARE their surroundings, literally rising up from the earth. They are light, energy efficient, and cosy, with curved walls and built-in, whimsical touches.” Ianto Evens from Cob Cottage Company.



Mudbricks also use clay and straw, but in this technique they are made by pushing the mix into forms 270×270 (becoming 300mm walls with render) and letting the bricks dry. Bricks can be made faster and on a larger scale then cob, often made mechanically, and they are also faster to lay – a builder can lay up to 50 a day on straight walls. Mortar must be made for between each course and between each brick, about 20mm. In NZ we also use geo grid between every 3rd course, and 12 mm reo rods vertically that attach to the footings and join the vegas above. These mudbricks have been made previously in Golden Bay  by Solid Earth and stored in the Coromandel, before being transported to site.


render.newBuilding with earth is a very forgiving medium. If cob dries out, wet and remix. it the walls are splurging outward, saw it off. If the layer underneath is not smooth enough, wet and add another. It can be formed, sculpted, reshaped, changed and coaxed to your heart’s content. Renders are the usual way of finishing the internal walls of strawbale, cob, super adobe, mudbrick, rammed earth and earthship style houses. Three coats are usually applied, a shaping coat (the thickest – up to 10mm), brown coat (smoothing off, 3-6mm) and a final finish coat (2-3mm). Its is always a good idea to test your renders before applying, to get the right mix, which won’t be sandy (too much sand), or crack (too much clay). There is no straight recipe for this, as it depends on your soils, and your choice of binder, the usual mix would be 70% sharp sand, 30% clay (screened as you get to finer layers) and a binder of either chopped straw, wheat paste or casein. Poo optional . Tools vary too, depending on coat, the finish required and materials. Experiment and play are good teachers!


If you are interested in this internship, please email gusanning@hotmail.com and join us in June. Alternatively, if you are interested in Earth building of all sorts feel free to email me at rosa.scarlette@gmail.com. I also hold earth building workshops, or can pass your details onto the right people!


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A winter session on the Coromandel Earthship http://earthship.co.nz/a-winter-session-on-the-coromandel-earthship/ http://earthship.co.nz/a-winter-session-on-the-coromandel-earthship/#comments Tue, 28 Apr 2015 05:49:19 +0000 http://earthship.co.nz/?p=1928 Things are moving along at Earthshipship Te Timatanga in the Coromandel Peninsula. Our 8 week workshop saw the build through to the roof going on, and since then a skeleton crew has been working on getting it toward a water tight shell with working systems. The greenhouse has been built, planter cell filled and infill interior walls started.

We have set a date for another push, and that will be 2 weeks; 22nd june – 3rd july. We have places for 12 interns, and we will work full weeks. learning will be on the job site, focusing on; earth renders, mud bricks, bottle walls construction and finish carpentry. Sleeping will be off-site (backpackers options or local accommodation), and food not included. $95 per week per person.

If you are keen to join us, please email Gus Anning – gusanning@hotmail.com to register.

winter internship cormandel

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The Coromandel Earthship workshop complete http://earthship.co.nz/how-to-manifest-an-earthship/ http://earthship.co.nz/how-to-manifest-an-earthship/#comments Tue, 31 Mar 2015 04:21:50 +0000 http://earthship.co.nz/?p=1893  Its not easy to manifest an Earthship in New Zealand, but as you can see below, it is possible. Its been 10 months since I first went to see Gus Anning and Sarah Rowe’s property in the Coromandel. Now, with the help of 50 or so people, we have an ‘almost enclosed’ 4 bedroom 2 bathroom permitted Earthship. Nearly 8000 labour hours were put in, and a community of 30-40 (depending on the week) gathered; students, crew, chefs, wwoofers, architects, plumbers, electricians, roofers, machinery operators, families! All pitching in to the one goal; build Sarah, Gus and their family an Earthship.

Its been an amazing journey, and I look forward to the remaining finishing work over winter. 

In a general and quick run down, heres the focus of each of our weeks, from 1 to 10: WEEK 1 and 2 everyone was set to the tyre pounding task, getting 1100 or so in, over 10 courses (layers). Each was leveled, and geogrid was inserted between tyres every 3rd course into the earth berm. Drainage was filled behind, and the waterproofing layer (permathene) was laid under and behind the tyre wall, along with 2 layers of insulation.  Week 3 and 4 was after the tryre work was complete and working on getting the slab and bound beam poured. Prep consisted of polythene water proofing under the floor, mussel shell insulation, laying plumbing and ALOT of steel tying. Week 5 was the start of the mud work – both mudbricks for internal walls and cob in the back wall to pack out the tyres. The bond beam was plated, and the wing walls finished. Week 6 was the start of the interior greenhouse framing, bathroom wall framing and working on the front tyre stem wall to recieve the cantilevered greenhouse. Week 7 saw Vegas (roof beams) going on, they were birds mouthed (levelled), cut to size and the back of the building insulated and wrapped.  Week 8 saw the roof finally on! Also they grey water cell lined, plumbed, plus the electrical and plumbing inside the building.  Week 9 saw the greenhouse built, bottle walls go up in the east and west entry. Also the by-fold doors hung in the west living space. Week 10 the grey water planter cell was filled and the velux windows installed. Plus framing for the bedrooms, the breakfast bar window in. The crew taking a break now, just waiting for glazing and doors hung to be water tight. More workshops coming in April and June to finish the inside.











Updates were posted on Earthship New Zealand (on fb), if you’d like to see more pics please visit the site here

All other queries please email rosa.scarlette@gmail.com

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Kicking off the project http://earthship.co.nz/and-then-we-started-building/ http://earthship.co.nz/and-then-we-started-building/#comments Wed, 28 Jan 2015 07:46:12 +0000 http://earthship.co.nz/?p=1877 tire

 We are nearly 3 weeks into the Earthship build in the Coromandel now, of this 3 bedroom ‘Global model’ inspired home. A quick building site update: Progress is developing before our eyes daily – today finishing our last course of tyres (10 courses of about 75 per course). Cooling tubes are in and buried. Backfill, drainage, insulation are in behind the tyre walls, and water proofing of the east and south wall are done.


I am very excited to be part of a project taking serious steps towards off-grid green building. There are many advantages to Earthships, in its thermal mass qualities, water catchment and recycling, independent solar power supply and contained sewage. But seeing as these building were pioneered in the desert, we obviously need some changes for our climate and building code. Things to address include water proofing details (especially in the floor and behind the tire walls), reinforcement in case of tectonic movement, and design elements (such as vertical glass and eves). Its great to see changes in materials too, like the choice of mudbrick internal walls (rather than cans and cement), old sails used to protect the vapour barrier, and crushed mussel shell as insulation in the floor (with an R value of 2).

Its a privilege to be working with so many talented and qualified individuals on this project, which, in my opinion creates a wonderful petrie dish for creativity and forward thinking projects. Architects, Engineers, TCDC officials (Thames Coromandel District Council), building crew, a digger driver, electrician, plumber, students from 7 countries – all with skills and experiences to add.

I’d like to give special credit to our national and international crew (Ben Garrett, Justin Dudley, Sean Bozkewycz, Brenton Stockman, Peter Larson and myself) who are working to create both a productive work site AND an educational environment. This means the weeks are busy! Quite apart from work hours, we also include guest speakers, Earthship lectures & docco movie nights into our week. Its an energetic site, and a great place to be. Our community wouldn’t be complete without all the extras we enjoy – the Dj’s coming to play, our delicious meals headed by our wonderful chef Loli in the container kitchen and our morning yoga classes from Siests and Mary.

 Lastly, a huge thank you to Gus & Sarah and their family for all their work, hosting us on their land and providing such a wonderful base of operations. The work hours put in are enormous, with everything from organizing sponsored clothing (thanks Cactus and Earth, Sea, Sky) to getting the coffee flown in by helicopter (true story). You’re the best guys!  





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Stage 1 consented Plans for Earthship Te Timatanga http://earthship.co.nz/stage-1-consented-plans-for-earthship-te-timatanga/ http://earthship.co.nz/stage-1-consented-plans-for-earthship-te-timatanga/#comments Sat, 27 Dec 2014 00:43:24 +0000 http://earthship.co.nz/?p=1866 Gus Anning, Sarah Rowe and their family are celebrating extra this festive season, with the timely release of their Resource consent and stage 1 building permit for their proposed Earthship home. Architects Richard & Young from Auckland, Graham North from Warkworth and his associated Engineer Grant Stevens worked to get plans ready for the TCDC (Themes Coromandel District Council) to sign off.

There are still a few last minute places for students on this build, but be in quick, our start date for this build is confirmed at January 12th. Link HERE for all info. Any questions email rosa.scarlette@gamil.com









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Coromandel Earthship build Update http://earthship.co.nz/coromandel-earthship-build-update/ http://earthship.co.nz/coromandel-earthship-build-update/#comments Sat, 29 Nov 2014 02:16:54 +0000 http://earthship.co.nz/?p=1854 Coromandel Earthship Update – preparing site and taking registrations!


Just a quick update on the progress of the Coromandel build and Workshops, starting January 12th!

Site preparations are going well with the resent installment of a 7m tipi which will be a chill space for everyone, along with a talking space for some of our speakers (more on that below!). Another 10m tipi will be installed at Christmas, so we have shelter (if it ever gets cold there!) and beautiful places to eat, make music and relax in.


So far we have confirmed:

*Kay Baxter Kay is a heritage seed saver and has been an organic gardener for fifty years. She is a co-founder of the Koanga Institute in New Zealand and is an educator in the fields of Nutrient Dense Food Production, Regenerative Garden Design and Management. She is a researcher in the field of human health in relation to our environment and has authored many books including:

  • Change of Heart (the Ecology of Nourishing Food), The Koanga Garden Guide, Design your Own Orchard, The Koanga Garden Planner, Save Your Own Seeds, How To Grow Nutrient Dense Food, Design Your own Forest Garden


Graeme North is our head architect, will be helping navigate our build. Graeme is particularly interested in the integrated relationship between plants and buildings, a concept that incorporates permaculture principles, a concept he calls “livingscapes”. Graeme helped write the mudbrick code and would love to share his knowledge of building with cob and lime plastering with us all.
David Jordon from The Hemp Farm will be talking about the effectiveness and sustainability of using Hempcrete in the building process. If you dont know much about building with hemp, watch this video… https://www.youtube.com/watch?v=YZAvYsAXwVM
Ngapaki Moetara will present “Engagement Through Tikanga Marae – The sharing of our practice in Rongoā Panipani (Māori Medicinal Plant Balm) as a vehicle for engagement” –  Ngapaki and her husband are a whānau from Manutuke, Gisborne with a passion for community, taiao, the arts and Rongoā Māori. They have been exploring what it takes to engage their communities in all aspects of our well-being. 
Brian Gubb paved the way for us all in Aotaearoa by building the first consented earthship, finished in 2009. He will be onsite to lend a hand as he has probably has tyre pounding withdrawels. He is a wealth of knowledge when it comes to Alternative solutions and has written material and stories from his own experiences.
So! If you still need a reason to come and join us in the Coromandel this summer, check out our swimming hole 50m from our campsite.
swimming hole
More Info HERE at the web page
Questions  – email:  rosa.scarlette@gmail
Online registrations here – $350 a week includes full catering, camping amenities, workshops and build site


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UPCOMING COROMANDEL BUILD http://earthship.co.nz/upcoming-coromandel-build/ http://earthship.co.nz/upcoming-coromandel-build/#comments Wed, 29 Oct 2014 02:31:15 +0000 http://earthship.co.nz/?p=1846 graphics 2


We invite you to join us on our 8 week intensive Earthship workshop, starting Mid January. The workshop will cover all facits of Earthship design and construction. We have 40 special places to learn from our core crew. The dream team of experienced Earthship builders from around the globe are passing on their knowledge to build a fully approved and functioning Earthship. We will be covering many topics such as Thermal, & Solar Heating & Cooling, Building with Natural & Recycled Materials, Water Harvesting, Storage and Filtration, Natural Flow Sewage Treatment, Finishing Options and techniques including cob & hempcrete, Permiculture design and food production. Solar Electric Systems, as well as the plans and the permitting process and much much more. During this time we invite you to camp on our land and become part of a community. With two tipi on site providing a classroom and communal dining. We have two vibrant chefs destined to prepare the high energy and nutritious meals required to sustain us. Topped off with a deep crystal clear river for daily renewal and a mountain hut climb finale, we hope you will join us on this amazing construction adventure.


REGISTRATIONS ARE OPEN! please click here for an online form. 

For more info contact Rosa at rosa.scarlette@gmail.com

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Sloped versus vertical glazing http://earthship.co.nz/sloped-versus-vertical-glazing/ http://earthship.co.nz/sloped-versus-vertical-glazing/#comments Sun, 26 Oct 2014 20:43:38 +0000 http://earthship.co.nz/?p=1828 Ironbank ESWe’ve been taking note of some of the modifications Martin Freney has made to the global model earthship design for the Ironbank earthship project in Adelaide Australia.  Martin is doing PhD research on earthships and has done computer modelling of their thermal performance so we think must be good reasons behind the design changes he has made.

A few departures from the Mike Reynolds earthship design of note are:
1) Vertical glazing instead of sloped glazing on the north face.   Vertical glazing more easily allows the installation of blinds or shades if required, to exclude the worst of the mid-summer sun.  Vertical glazing is also cheaper and simpler to install.
2) Use of skylights which double as vents, in the sloping area of north facing roof, along with fanlights over the interior doors.  These are considered essential to get light to the back of the rooms which would otherwise be quite dark, even with a light/white ceiling.  
3) Use of solar fans to vent the greenhouse area, and circulate air between the greenhouse and room behind. 
 Any comments on these design aspects welcomed.
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Bottles for underfloor insulation http://earthship.co.nz/bottles-for-underfloor-insulation/ http://earthship.co.nz/bottles-for-underfloor-insulation/#comments Fri, 24 Oct 2014 01:19:01 +0000 http://earthship.co.nz/?p=1825
bottle floor

glass bottles as underfloor insulation

One of the key features of earthship is their use of waste materials in construction such as tires, bottles, cans etc. In the Waiheke earthship we are going to use bottles as underfloor insulation.  We haven’t heard of any other earthships doing this, however it fits into the whole earthship ethos so I’m surprised that its not part of Mike Reynolds approach.  The bottles will be laid on their side in a bed of sand over the  damp proof membrane.  Another layer of sand will cover the bottles and the spaces between them, and then a concrete pad poured over the top.  On top of this we are going to have an earth floor for a more giving and comfortable feeling underfoot than a hard concrete finish.

According to our architect Graeme North, preliminary calculated R values for 100mm thick concrete floors insulated underneath with bottles laid in dense sand is approx. 1.65 m2oC/W  and with bottles laid in pumice sand is approx. 2.06 m2oC/W.

This ignores the R value of the earth underneath the slab which varies according to floor perimeter length and with any edge insulation.

These figures have not been fully checked, and are calculated first order assumptions only, with considerable margin for error.  The  actual insulation values can only be proved by testing.


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