--- In papercreters@yahoogroups.com, "Nick Boersema" <picknick@...> wrote:
>
> I would love for this method to work. My only concern is how would
you know
> if your membrane had failed? When it becomes so heavy it collapses
on you?
>
> Nick
>
> Hi Nick:
The fellow that sen me those picks has built these things in third
world countries and assures me that none has ever failed. I does
sound a bit strange but I see no reason they should ever fail a long
as the frame is stout. There was a post here recently about some
people that simply painted cloth as a temporary roof for the winter in
Virginia and it was still there 7 years later.
Fiberglass screening multi layered and painted with Portland - Latex
is very strong, you can walk on the roofs. As far as becoming heavy it
is as heavy a it will ever be once dry, it is water proof.
I look at these beautiful pictures of papercrete houses in Texas and
Arizona and wonder how would they stay dry in my climate which is far
wetter. The ferro cement roof would kill several birds with one stone,
it would be great protection from heat and allow a flat roof for
storage, water tanks ,rainwater collection , and covered outdoor space.
You could build it by elevating it a few inches above a dome structure
and allowing the chimney effect to ventilate, if it did fail it would
not have far to go. Personally I would not be concerned about the
ferro cement, just build a strong frame.
My fist project is a lumber/bamboo drying shed.
Here are more in depth instructions.
http://www.edc-cu.org/pdf/To%20Build%20a%20Roof.pdf
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