Papercreters: [papercreters] Re: Need suggestions for waterproofing

Sunday, May 10, 2009

[papercreters] Re: Need suggestions for waterproofing

Take a look at this...
http://www.amesresearch.com/roof_coatings.htm?gclid=CPaRuP2-r5oCFRlcagodslMXdA

--- In papercreters@yahoogroups.com, "Bob" <criswells.ok@...> wrote:
>
>
>
> --- In papercreters@yahoogroups.com, "TerryW" <blazingsaddles@>
> wrote:
> Hi, we're in the process of making thinner block PC panels (3 inch
> thick) to cover the roof of our mobile home to help keep the sun from
> cooking us alive and tripling our electric bills (western arizona
> desert) and I need an inexpensive way to waterproof the panels. Since we
> do get some occasional t-storms during July/Aug with heavy downpours,
> without waterproofing they could absorb quite a bit of water which would
> add quite a bit of weight to our roof.
>
> I checked the price of cool coating and it's a bit expensive. Any good
> suggestions? I was thinking of just coating the outsides of the panels
> but if there's something I can add to the mix so that the panels won't
> absorb rain water, that'd be even better.
>
> Thanks!
> Terry
>
>
> Terry I read this somewhere on line and copied it down, they were useing
> this to make a fiberglass roof for a quick and lasting pole building
> somewhere in a third world country.
>
> "The First Slurry Coat for fiberglass mat roof:
>
> 1. Mix liquid latex (or latex paint) and water in about equal amounts in
> a bucket.
>
> Add portland cement to the bucket, mixing as you add it until it reaches
> the consistency
>
> of a soupy paste. Spread this paste onto the surface of the fiberglass
>
> mesh, spreading the paste out with a long handled push broom. Brush the
> slurry
>
> onto the surface to fill all layers of the fabric. Brush the liquid out
> on the under
>
> side of the mesh as it is forced through the mesh from above. Wear
> safety
>
> glasses and a cap when working under the shell to keep the paste from
> getting
>
> into your eyes or hair.
>
> 2. This coating will dry and harden into a surface which can be walked
> on. Be certain
>
> that the layers of mesh are filled with the slurry, and that the slurry
> has filled
>
> the layers wrapping around the poles to fully glue the layers to the
> poles. Wash
>
> out the broom, bucket and tools regularly to keep them in working
> order."
>
> I was going to try it over OSB board, before I spray a papercrete stucco
> directly over it. Might be worth a try.
>
> Bob
>