To Vinay- RE: Cement-Coated Polyiso models

[kenwinston caine]

Hi Vinay:

1. Curious what you are using as adhesive to connect/affix the panels
to one another on the cement-coated polyiso?

2. And also, what you are using for a tension ring on these?

Incidentally: Experimented last year with using asphalt emulsion and
some asphalt emulsion-clay-lime mixes on poly foam boards and found AE
works just fine on foam. Starting anew with finding a good AE-Clay-
Lime mix. Trying to find a sweet, durable one that can handle both
extreme cold and heat well without cracking and that can use clay and
sandy soils gathered at my building site...

Thank you for your help and continued work on this and other great
projects.

-- ken winston caine

[ken winston caine]

Should add one more question:

Assuming you were using a (cemented-over) sandbag foundation ring (instead of a footer), how would (or do) you tie the yurts down? What securely holds them in place and keeps them from losing their footing while being buffeted by high winds?

(Or same question if you ARE using  traditional footer for them.)

[Phil Dirt]

I made six gussets bent at 60º for the ridge (2) and where the roof meets the walls (4). I used the preformed "W" bend galvanized flashing material left over from a roofing job, but you could buy the sheet metal at any lumber yard or home improvement store. This allowed me to drill and cut a slot in the raised bend of the flashing so I could thread through a ratcheting cargo tie-down strap. The real beauty of this approach is that I could drive my rebar anchors flush with the exterior wall so the anchoring straps were vertical and there were no guy lines to trip over. Convenient too, because last year I was camped next to a high-traffic path, so my footprint was minimized and there was no risk of anyone tripping over my lines.

[Vinay Gupta]

I've never done the concrete hexayurt thing. It's always been an idea, looks like a pretty straight forwards application of ferrocement techniques, but I've never done ferrocement either! Bit beyond my practical skills as a builder.

I'd be very, very happy to see somebody give it a try. Might even be able to find a funder?

V>

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