I have has good experience sealing papercrete blocks and slabs with a
papercrete stucco. I like to add equal parts by dry weight of paper
and cement and toss a small amount of elastomeric roofing seal. This
mix will spray well with the tirolessa.
Because paint can get very expensive I started making my own. My paint
mix is 100 prickly pear catus paddles and two 50lb bags of slacked
lime. This made about 60 gallons of sealing paint for $20.
On Aug 9, 2007, at 7:58 PM, "mountainfair" <yahooposting@dreamthefuture.org
> wrote:
> Hello -
>
> I am new to this list. Interested in learning more - I have helped
> with some papercrete and fiberdobe projects, but yet to begin my own.
> I happen to be lucky enough to live in a county with no zoning and no
> building codes.
>
> I have a lot of questions and desire to compile collective knowledge,
> and have been reading through the archives, but I will begin with this
> one:
>
> What experience do people on this list have with sealants?
>
> I have read about:
>
> 1. elastomeric and other paints (cost? lifetime?)
> 2. asphalt emulsion (VOCs? Smell?)
> 3. some mention online of bentonite (anyone tried this?)
> 4. some mention online of adding lime to the mix to make it waterproof
> (and experiences?)
> 5. Qual-seal sold at: http://www.fiberfoamconcrete.com/
(is this site
> for real?)
> 6. crystalline waterproofing (same as qual-seal?). from
> http://www.livinginpaper.com/construction.htm is now used in
> residential applications. It consists of a dry powder compound of
> Portland cement, very fine treated silica sand, and proprietary
> chemicals. Combining the product with water and applying it to the
> surface of concrete results in a catalytic reaction that forms several
> inches of non-soluble crystalline fibers within the pores and
> capillary tracts of concrete. This seals the concrete against the
> penetration of water or liquids from all directions. UGL DryLok is
> one of these products. Supposedly this will work in either cured
> papercrete or in the wet mix itself. It's pricey, but said to be so
> effective that it's possible to make ponds with papercrete. If it will
> hold water without leaking, it should prevent water penetration.
> (cost? source?)
> 7. stucco (cost, thickness, etc.???)
> 8. other ideas?...
>
> I know that many people havent sealed their papercrete projects, but I
> would like to see what we can learn from those that have.
>
> I look forward to hearing from everyones experience and ideas.
>
> Thanks!
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
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