Awesome. This gives some direction to my vision. Thanks so much!
Big box stores like Lowes and Home Depot usually carry them, they are often cheaper at construction supply houses. Locally a store called "The Drywall Shop" has them for a decent price. Around here most construction supply houses will also sell to the public, but as you say the best price often goes to contractors, which is understandable since they buy the most.
http://starship-enterprises.net/Domes/DomeHouse/DomeHouse%20Home.html has a bit more information about my dome. Which photo on the group website? The picture on the home page shows the interior of my big dome at the top, and the small workshop dome at the bottom. Back when Slurry Guy was setting up the group I gave him permission to use any of my website's photos...
Reality - what a concept!
spaceman
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