I have a birdbath -- definitely not concrete or fiberglass, probably
some kind of plaster. Apparently there was some sort of coating on the
inside of the bowl and after a freezing night or two the coating spalled
and the bowl developed some fine cracks and now leaks. I'm looking for
some sort of coating I can use inside the bowl to stop the leaking. One
of the local hardware stores recommended the water-based latex form of
Drylok masonry waterproofer -- I wish it was available in less than a
gallon-sized can. Someone else recommended some kind of bitumen paint --
but didn't know the brand or where it was available. Obviously I don't
want anything that'd be toxic for the birds.
Anyone had experience with sealing a birdbath, fountain or, perhaps,
something like a small koi pond?
Thanks in advance!
Green Valley, AZ
Any of the clear aquarium sealers might work (look at a pet/aquarium
shop). The area to be sealed must be very clean and absolutely dry. If
that fails, it probably a good time to think about replacing the
birdbath. A freezing/thawing cycle will certainly make the smallest
of all cracks worse.
Don't use any thing with bitumenous material...bye, bye birdie.
If the cracks are truly fine an acrylic sealer such as Seal-Krete
should work pretty well assuming the material is porous.
If it leaks a LOT, epoxy would fix it. Seal-Krete would be cheaper
(MUCH), it costs around $12/gallon.
I would think a cementacious paint might work too. As would an
Thanks for some good ideas.
I'll check on Seal-Krete and epoxy paint. The only aquarium sealers I've
seen are the relatively thick material in tubes, and I'm intending to
seal the entire surface -- I'm not rejecting the idea out of hand, though.
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