--- In papercreters@yahoogroups.com, "xserenity" <xserenity@...> wrote:
>
> I have done some cordwood with cob/paper concrete mixes for using
> as morter and surfacing. There is a lot of negative issues with
> concrete, and I am wondering if anyone has tried using MGO instead
> of portland cement ?
I'll be honest and say I had not heard of MgO before you mentioned it
here. I like the idea and here are the pros and cons as I see it:
PRO:
1. Mixes well with Cellulose based materials.
2. Very mold, fire and water resistant.
3. Somewhat better for the environment than portland.
4. Available both as a mix and as pre-made panels.
CON:
1. Very expensive compared to portland ($2 per lb vs $.75 per lb).
2. Untested within the papercrete arena (not a big problem as it has
been thoroughly tested with a large variety of aggregates).
I am sure there are more points on both sides, that is what a search
and some light reading got me. Anyone out there got some experience
with it? Or good links for non-biased evaluations?
- Ernie
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