In the very first email exchange between me and Anna, she mentioned that the immediate big project was the greenhouse because it was "getting cold and the iguana needs a new home." (Since then, the intrepid iguana has managed to wander off into the desert [more than once], so the question of iguana furniture has been shelved until either she returns or a new iguana is acquired.) When I first arrived at the homestead I initially did lots of random tasks: yard and garden work, organization and so on. The past several weeks though, I've been focused on greenhouse work: washing bottles, mixing cob and laying bottles, and most recently hanging rafters and going on a tin-collecting mission for roof material.
If you would like to have your very own wall, room or house that lets in beautiful, colored light whenever the sun shines through, you can build one in just a few, easy, time consuming steps! (The sight of a finished wall is absolutely worth the effort.)
Collect bottles - Depending on how large the space you hope to fill, this may take some time. Start saving. Consider making friends with a nearby restaurant or recycling facility. Ask your drinkin' friends to save glass bottles for you. Keep an eye out for interesting colors and shapes.
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| Green (and clear and brown) bottles are fairly easy to come by. |
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| Blue makes a striking and unusual addition to any bottle wall. |
Pick a location - Here at the Lonesome Coconut Ranch, what we've been calling a "greenhouse" is in actuality a conservatory of sorts, 15'x30' attached to the south side of the house. When the winter sun is low enough in the sky, the room will collect heat from the sun and with help from a
rocket stove (a small, clean-burning stove that stores heat in a large cob biomass). In the spring, the heat collected and radiated out by the cob biomass of the wall will prevent grapevines from freezing during cold desert nights. In the summer, the now-leafy vines will help shade and cool the room. The two separate doors into the house proper mean that both hot and cold air can be recirculated from house to conservatory and vice versa, as needed.
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| That's a big space. |
Mix cob - First, you'll need materials. Dirt can come from anywhere (say, the excavated floor space) as long as it has a high clay content. Sand can also come from anywhere and prevents drying mud from shrinking too much. Got a dry riverbed or beach nearby? Add straw for structure and a water supply to your list and you're pretty much good to go. Your ratio of dirt to sand is 2:1. Add water and straw, the process is much like making dough--keep playing with it until it feels right. It should be damp and sticky, but not too soft.
Traditionally, cob is mixed by foot. Stomping and squishing mud between your toes is a pretty good way of familiarizing yourself with the consistency you are trying to attain. We happen to have a small cement mixer here. We've experienced a few technical difficulties, it doesn't handle large batches well, and some workers prefer not to use it. But boy is it nice to be able to mix cob in the colder months without freezing your toes off!
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| Billy and Justin contemplate the mixer: to stomp or not to stomp? |
Build - Building is fairly straightforward. If your foundations are in place, simply lay a layer of cob, place the bottles where you like and surround them with more cob, smoothing new layers and old as you go. It's just that easy!
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| cobbing in progress |
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| final result |
Prepare to have mud under your nails, in your hair, on your face, ground into all of your clothes and smeared on every surface you touch. Learn to live with the grit; you won't be rid of it at any time during this process and it is better to simply revel in it! (Also invest in some good lotion. It will prevent your hands from feeling like the skin is too tight once you've washed the mud away.) Take a minute to stand back every now and then to appreciate your progress! Hey, look at that cool thing you did!
Don't forget to take progress pictures as well!
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| So far to go still |
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| Windows of all shapes and sizes. |
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| About to lay the remaining bottles and windows in this wall all by myself. |
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| Nearing the top on almost all fronts. |
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| So exciting to have a completed corner! |
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| Bottlenecks are surprisingly strong; I spent the top rows clinging to the wall like a monkey. |
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| Next to come: rafters and then a roof! |
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