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a garden setting, do these *need* any concrete around the ring sections?Just wondered as mine don't...
Plastic drain chambers
Apr 23, 2010
2 Replies
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Have a look here:
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JA wibbled on Saturday 24 April 2010 10:30
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- in summary no, except for a bit to support the lid ring. I don't have that either, but that's OK as the height needs tweaking a bit so I'll bed it in when I get round to trimming the tube.
Many thanks indeed :)
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