Round cement forms

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dukeofdoom
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Round cement forms

Post by dukeofdoom » Tue Dec 02, 2014 8:46 pm

I want to overwinter my palms outside, they're getting too big to bring inside.

I'm thinking of using the round forms used for building cement columns. Mostly because the tubes have the right shape, are cheap, and disposable. I would cover the tubes with a tarp, and wrap the palms with pipe heating cable.


1. Has anyone tried this before? The forms seem very sturdy, but still not sure if they would hold up for three months should they get wet.
2. What kind of filler would be better, leaves or drywall insulation?

Thanks for any suggestions.



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hardyjim
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Post by hardyjim » Wed Dec 03, 2014 6:28 am

I would use leaves as they are more flammable.
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lucky1
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Post by lucky1 » Wed Dec 03, 2014 11:28 am

Would? or wouldn't use leaves, Jim?

Flammable is why I never used leaves inside an enclosure.
Each year, the odd dry maple leaf blows inside palm enclosures while I'm installing the covers.

With C-9 incandescents lying on the ground heating the enclosures all winter, I'm always amazed at just how brittle those few dry leaves have become over winter.
They basically turn to dust when I open up enclosures in late winter.

Too risky.

Duke, I like the idea of those forms...I think they're called Sonatubes here.
They wouldn't get wet if you enclose the entire structure (after installing a garbage can lid on top) if you overwrap with plastic, say, a 6 ml vapor barrier.

Barb
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seedscanada
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Post by seedscanada » Sat Dec 06, 2014 8:56 am

I covered a large sabal minor two years ago for the first freeze event of the year, using a sonotube, rope and a vapor barrier tent. It was well secured, yet blew over. The sonotube got soft. I wouldn't use one again. The humidity causes them to fail.
Adam
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lucky1
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Post by lucky1 » Sat Dec 06, 2014 8:58 am

Good point, Adam.
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dukeofdoom
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Post by dukeofdoom » Thu Dec 11, 2014 7:30 pm

We're still relatively warm, so I haven't yet needed to protect the palms yet. I'm reconsidering the tubes, due to the comments. At least for this year, I can store the palms in the garage with less trouble then building a box. Thanks for the replies.

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