Yikes! That's pretty cold beans there!
I've started wrapping my dome frame with poultry netting, and got one window in place with temporary tie wires to hold it while the wrap is done. This netting will be the inside part of the form, with the outside part being slip form.
The weather guessers are saying that we're about to get hit with 20 degree mornings, and at my elevation I'm usually at least ten degrees below the "official" temperature, so it'll probably be a while before I start slinging slurry.
http://www.starship-enterprises.net/files/leftoverdome/IMG_3016rc.jpg
http://www.starship-enterprises.net/files/leftoverdome/Sunset%20Window.jpg
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