My experience with paint in papercrete is that the PC mixture tends to not bind as well. My different test samples gave me the surprising result that papercrete with paint was slightly more brittle than the just the simple recipe. My straight recipe has performed better in strength tests. It could just be the proportions I put into mine (about 1 part for every 15 parts) and perhaps other proportions could be better. In addition, I am wondering if the paint would add any insulative properties to your papercrete... by filling in the air bubbles it could potentially minimize the R-value. Just a thought, for whatever it is worth, but specifically in respect for your intended use. Tomás Enrique --- On Sun, 3/22/09, smt460 <smt460@yahoo.com> wrote:
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