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Old 04-25-2013, 10:47 AM
KeepnItGreen KeepnItGreen is offline
LawnSite Member
Join Date: Mar 2013
Location: pomfret, ct
Posts: 14
Thanks for the feedback. I personally didn't think they were necessary. I called Unilock and they recommended them for their blocks in the event the heat does crack them. When I asked if it had every happened, the person I spoke to had never heard of it.

Another option I was thinking of was just to put lava rock inside the pit, up to about 3" from the top.
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