organic_jann wrote:

Is this the case and if so, what is this type of cement called? Are
there any other suggestions you may have? Any other material that will
be impervious to bamboo shoots? Or will I simply have to dig up the
bamboo. If so, you'll know, this will be very difficult to carry out
successfully.

Portland Cement. If forms concrete. Usually 4" to 6" sill stop bamboo.
Bamboo spread from the roots. About the only way to kill it is with
roundup. I would cut it down and paint the stumps with roundup. Also
paint any new shoots with roundup.

There are two basic types of bamboo, the virulent spreading bamboo and
the somewhat benign clump bamboo.
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18,000 gallon (17'x 47'x 2-4') lily pond garden in Zone 6
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