[papercreters] Re: screened wood ash added with cement?

Old school cement blockers use clinker (crushed coal ash) for aggregate, not wood ash. I think clinker has at least some pozzolans in it, which I don't believe wood does.

- E

--- In papercreters@yahoogroups.com, <domemancpf@...> wrote:
>
> Hi Jackie !
> Being old school cement block were called cinder block so i assume a good portion or the block was made from cinders= ash . Also ash is very alkaline like lime so chemically similar too . Best way is to try a small batch a see for yourself u may be pleasantly surprised ! Conrad
>
>
>
> ---In papercreters@yahoogroups.com, <diggingfortreasure@> wrote:
>
> Here is another question I have about possibly cutting down on cement powered. I've read that some people add coal ash with the cement powered up to 1/3 without harm. Has anyone ever heard or tried using screened wood ash in the same way?? Does anyone think this could be possible without harming or weakening the papercrete???
>
> Jackie
>




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