Sunday, February 17, 2008

[papercreters] Long Term Moisture Monitoring

Papercrete may have an advantage over strawbale when it comes to
monitoring moisture levels. Strawbale has struggled for years to
come up with moisture sensors that are effective, accurate, and
durable.

My plan is to not try to get fancy at all. I plan to drill a series
of holes into my walls and then fill the holes with a perfectly sized
papercrete plug going all the way into the wall. The plugs will all
be carefully sized to exactly fit the hole and all the plugs will
weigh exactly the same amount. I will cover each plug with an access
panel. It will be a simple matter to remove the panel, pop out the
plug and weigh it on an accurate postage scales. Any changes in
sample weight over time will be due to moisture content.

The concept may not be high tech, but it will be extremely reliable
over the long haul, and be extremely accurate. The technique also
lends itself well to visual inspections for other potential issues,
like insects or mold and such things. It also is extremely
inexpensive.

It will be important to seal the inside and outside surface well, so
that core sample gets it's moisture from the surrounding wall, not by
leakage from the hole to the outside.

--- In papercreters@yahoogroups.com, "ElfNori" <elf@...> wrote:
>
> Also, it might be worth embedding moisture sensors in each walls at
the
> bottom inside the waterproof layer and directly above that sensor
in the
> regular papercrete part of the wall. I don't want to spend a lot
of money
> on this, but I think the sensors would tell us a lot.
>
> Dusty? Yes? No? Thoughts?
>
> ElfN
>



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