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[Cob] Exterior finishes for insulated cobSky Orndoff skyorndoff at yahoo.comSat Jan 8 19:24:15 CST 2011
Hi! I'm thinking about making a cob building in Montana. I'm thinking cob because I like the sculpting and the thermal mass. Because it will be in Montana, and because I'm an energy auditor who believes in insulation more than thermal mass, I'm interested in insulating it thickly, probably with a shredded cellulose. I think I'll use wood 1.5"x12"s to frame a cellulose wall onto the outside of the cob. We have a lot of dead and dying trees that are being logged already and can be delivered to a friends sawmill for free. I'll probably put cellulose between the boards about 24" OC. What I would like advice on is an appropriate exterior cladding or siding or exterior coating for the celulose insulated wall. I want to do a floorplan with curved walls, keeping the walls vertical, so the cladding will have to be flexible in one direction. What would people advise for this? Something with sand-clay? Some type of product? Suggestions for other solutions than the one I'm thinking of now? Thanks for your consideration, JS Orndoff
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