[papercreters] Re: Best way to pour a 6" x 12" x 52" block?

>> have found that if I make the molds bigger at the top, then the dried product is much more rectangular.<<

Tasha,

Sorry I missed this post in my last reply. I kept my molds "square" thinking that backfills should help retain the shape.

However, next time I build a mold, I'll definitely build it a bit larger than what I need and then trim the block when an exact dimension is required.

Thanks

Dan


--- In papercreters@yahoogroups.com, Tasha <tashatesla@...> wrote:
>
> I have found that if I make the molds bigger at the top, then the dried product is much more rectangular.
> How much? Depends on your shrinkage - have to experiment with a couple, but worth the time.
> TASHA
>
> On 6/27/2012 08:12A, Daniel Ford wrote:
> > Dear Papercrete Group:
> >
> > I'm working on a project that requires a consistent 6" h x 12" w x 52" l block. I've assembled the molds and have filled the first one to the top and will backfill the shrinkage in a day or two. (see attached photos)
> >
> > My question is whether or not this is the best way to pour a 6" block or should I fill it half way on the first pour? I need to make 50 of these and the sooner the blocks dry the sooner I can complete the project.
> >
> > For background, my mix is 1# paper, 1# portland, 1# sand, .05 # Borax. I live near Cincinnati OH and our summers are hot and humid.
> >
> > Thanks
> >
> > Dan
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>



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