Sunday, April 27, 2008

Re: [papercreters] Latex in Papercrete for water proofing????

I've never tried to cast a block or use latex as infill. I've only used latex or prickly pear in stucco coats while spraying or hand trowling. I've seen good results as a thin final coat.


On Apr 27, 2008, at 9:06 PM, Robert & Connie wrote:

Just a quick note about our limited experiments with different 
formulas around our barn.

We made very crude molds right on the ground to create a retaining 
wall to hold gravel in the barn to raise the level of the floor.  The 
formula was always basically the same except in one section we added 
an acrylic water proofing, another latex and another section without 
either.

In spite of some tremendous rains and a pretty darn wet winter and 
spring, the acrylic and plain papercrete has held up and remained 
hard enough to continue to do its job of holding the gravel in.

To our surprise the two sections with the latex paint added got soft 
and even either eroded away or the horses managed to crush it with 
their weight.  So much for using latex as a means of making 
papercrete more water proof.  For whatever reason we found just the 
opposite to be true.

Has anyone else had good or  bad luck adding latex as well?

Inquiring minds wanna know.

Connie


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