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pot sealant

Posted by rmontcal (My Page) on
Tue, Jul 12, 11 at 10:03

Over the winter I decorated several terra cotta pots with decoupage themes. I have a chiquita banana sticker pot, an Obama pot and a pot covered with stickers that you get when you vote that I have been saving for a while. I thought the Mod Podge that I used would be good enough, but as soon as put a plant in one of these and watered it, the water went through the porous clay and re-wetted the Mod Podge. So I need something to seal the terra cotta from the inside.

But I don't want to use anything that is a chemical, like a paint or something like that. I know there has to be a natural water proofer out there that makes sense. I just don't know what it might be.

Some sort of food grade sealant? Beeswax?

TIA


Follow-Up Postings:

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RE: pot sealant

what about grout sealant. its used on kitchen tiles. maybe theres a food grade grout sealer.


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RE: pot sealant

There is a sealant for wooden salad bowls, but I'm not sure of the name, maybe try a google for something along the lines of food safe sealants.

JoJo


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RE: pot sealant

>>> But I don't want to use anything that is a chemical, like a paint or something like that. I know there has to be a natural water proofer out there that makes sense. I just don't know what it might be.

That is really limiting your options. There are plenty of natural based types of water-proofers/sealers that can be used, but the problem is duration. All the options I'm aware of will wear off when used as a planter and submitted to frequent watering. Some wear much faster than others: non-drying oils, vaseline, etc won't last long vs. sealing with waxes will be longer but not much more than a season. Shellac is an amazing product is considered food safe (though don't ask where it came from). Once you open the typical can of shellac sealer, you will immediately think "chemical" however and it's mixed with an alcohol base to form a varnish. That will also wear when used to seal internally.

You could try gluing bubblewrap or thick (8mil) plastic to the interior, but that isn't completely waterproof. But if you're even willing to use glue, that is a chemical too and you could even superglue the entire interior.

I know quite a bit about sealers from woodworking, but understand I don't know much about TC other than the latest status-quo is using concerete/masonry sealers (which is what you want to avoid). What is the reason you want to avoid using "chemicals like a paint"? There is the Garden & Flower Crafts forum.


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RE: pot sealant

I think you may have to just move on.


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RE: pot sealant

What about using them as cache pots? There are lots of "pot liners" available (florist supplies may be a good place to look).


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