Another humidor question for you humidor makers

For some time I have wanted to make a chest humi. My question is , can one be made with a faced plywood? I realize that with any wood that the inside side would have to be sealed with something to keep the moisture from ruining it. What are your opinions and experiences here.
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Paul O.
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Faced plywood can work just fine for the exterior. Make sure the plywood has not been treated with anything that could impart a bad taste to your cigars, or seal the exterior from the interior spanish cedar or Honduran mahogany to prevent the odor from migrating inside the cabinet.
As for sealing the unit, this really depends on the area you live in. If your in a very dry climate (desert) then you will need a full seal to maintain 70%. However if your in a medium to full humidity climate then it's ok to have less then a full seal. Your cigars need a little circulation anyway which is why it's recommended you rotate them every now and then, so it's ok not to have a 100% sealed box.
Depending on the size chest humidor you're building you may want to consider active humidification versus the typical passive units (Oasis foam etc.). These not only provide circulatory air flow via the humidification fan, but also prevent over/under humidification via active monitoring. I used one from Habitat Monitor in my chest humidor http://pweb.netcom.com/~raptorlp/humidor.html The link to that company can be found at the bottom of my humidor page linked above.
Lee Carter Products Company http://www.carterproducts.com
Paul O. wrote:

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And if you live in a area where the ambient humidty frequently runs MORE than the 70% you are aiming for, you need the OASIS and PG to keep the interior humidity from getting too HIGH It will release water if the interior humidity drops below 70% (like when adding a bunch of cigars you found on sale) and will absorb humidity when the interior environment gets too high
Active, and especially computer/electronically controlled humidification may be all that is needed in a locale that is consistantly below 70%RH
John
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good wood sealer and silicon all the interior joint edges before putting the cedar in.As far as the outside, my finish of choice at the moment is wipe on poly, however that may change depending on what faced ply I decide to use. Currently making stuff out of red oak and may stay with that to match other projects I want to do in oak. But we will see, I would kinda like to do something in a nice dark wood tho. Thanks again.
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If you must use a sealer I'd find a good FDA food approved cutting board sealer of something that is odorless as you really don't want to leave a residual odor that could effect your cigars as plenty of finishes will. Most solid wood humidors have no finish on the interior for just this reason. Your best bet would be to make sure all the joints are fully glued with a high strength filling glue like gorilla glue. This should provide an adequate seal for the cabinet, and as long as the interior spanish cedar is well fit it should work just fine. You could go the extra step and silicone all joints but as long as your joints are all fully glue sealed this shouldn't be a necessity.
Lee Carter Products Company http://www.carterproducts.com
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