Rethink Your Life!
Finance, health, lifestyle, environment, philosophy
The Work of Art and The Art of Work
Kiko Denzer on Art
[Cob] foundationAnna Young avjyoung at shaw.ca
Mon Apr 25 09:10:08 PDT 2005
Hey, those names sound familiar. If you are the Saltspring guys we have met at the ECO village for a cobbing session already. We are building a cob/strawbale on the edge of Victoria, BC, with codes etc. I think your foundation depends a lot on where you are and whether you have building inspectors involved. Ours turned pale when we mentioned a rubble trench right under the wall.... We are in an earthquake zone and building close (6m) to the top of a 30-45deg slope close to the water. We are overbuilding as a result, in preparation for the big earthquake and tsunami that will be here one day. We are doing a poured reinforced cement bond beam with 4" poured reinforced cement stemwall. The stemwall height is variable depending on the height of the finish ground level. Wet-mortared stone/urbanite (for the earthquake zone) will hide the stemwall and give the width needed for a cob/strawbale foundation. Yes, you could reuse the form wood, though for somewhere that will not mind having concrete dust sifting onto it from the wood. Many salvage yards will have secondhand ply which has already been used for forms once, though keep a skilsaw with a beater blade for cutting through it. Big debate here at the moment about the exact height of the stemwall. I want to stop it a few inches below the start of the cob, and have a final layer of wet-mortared stone/urbanite over, to prevent moisture being wicked up into the cob. Architect plans and husband feel it's better to have the stemwall right up to the start of the cob, and separate the two with heavy-duty waterproofing like roofing paper or roll roofing. My concern is that this will fail eventually and then we will have wicking. Roofing paper gets fragile after a couple of years underground. Plus I hate the idea of having asphalt in the wall or painted on the outside of the stemwall as a waterproof layer. Input/comments welcome! Anna
Solar powered hosting (from our cob office building) provided by: DeaTech Research Inc. using Debian Linux based servers. We highly recommend, use, and provide support services for Debian Linux.
If you should have any problems with this page or website, please send email describing the problem(s) to: firstname.lastname@example.org
Last Modified: Wednesday, 09-Dec-2009 17:36:04 PST
If you wish to be permanently blocked from ever being able to send email to this domain, send your SPAM messages to: email@example.com