サラ・ウェイン・キャリーズのインスタグラム(sarahwaynecallies) - 8月22日 08時54分

tour de concrete house - swipe to see a x-section of the walls: a concrete sandwich with insulation inside.
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“R gazillion” my friend calls it.
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this matters to me because the house will take very little energy to heat & cool, keeping our impact on the environment minimal (not to mention our electric bills) - especially since most of the heat will come from the wood stove - heated by dead fall in the woods right outside. (we aren’t putting in any air conditioning.)
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#greenbuilding #swchome #insulation #tiltupwalls #conservation @nzbuilders2004

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