Hello,
Longtime lurker, first post. I've been following different groups to plan/design/dream about how to build my house once I find my own piece of dirt. Here's another roof option:
Latex Concrete Habitat [Paperback]
Albert Knott (Author), George Nez (Author)
http://www.amazon.com/Latex-Concrete-Habitat-Albert-Knott/dp/1412039975
The basic idea:
- Build a relatively simple frame from dimensional lumber. Imagine a four-sided frame laying flat on the ground. Now lift one corner up 90 degrees. Put two such frames together to form a pyramid.
- Basket-weave strips of window screen across the sections. Now you have a hyperbolic paraboloid or hypar.
- Saturate the weave with a mixture of cement and latex (could be paint. Mix must be worked into and though the screen material.
- Repeat 2 or three times.
- Successive layers add increasing amounts of fine dry sand.
Result is a lightweight, weatherproof, thin-shell roof. Strong enough to walk on and support significant snow loads. Frame and first layer of fabric can be built on the ground and then lifted/placed on walls or posts. "Get the roof up and then you've got a place to work." Sounds ideal for papercrete or cob projects where rain is most unwelcome during construction.
The book includes specifics on how to put the frame together, how to stress-test your screen material, weave the screen on the frame and how to do the work with just a few people.
Small and large projects have been built using the technique. I just found the idea interesting from a low-cost construction standpoint.
TSC Global is currently working with the concepts from the book. See http://www.tscglobal.net/product for some project pictures. I'm especially interested in the cross gable design found on their sketches page: http://tscglobal.org/sketches-and-concept-drawings/.
Another project: http://velacreations.blogspot.com/search/label/latex%20concrete
I have no association with the people or company mentioned above other than as a researcher/dreamer.
Dwayne Morrison
--- In papercreters@yahoogroups.com, Alan <rustaholic777@...> wrote:
>
> Has anyone here done a papercrete shed with a papercrete roof?
> Alan in Michigan
>
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