I have used it on concrete block and that took around an hour and half.unsure on hp12 it's great stuff thoughhi lads just wondered how long does it take to pick up ready for float and sponge on top of hp12,thanks
Depends on the background and climateThat's fast thanks djr.im hoping it'll take a little longer than that
Jesus, can anyone really answer this question?
At best it's a rough guess. There no exact science here. 1 mans hour can be another mans 3.
Stop it your killing me [emoji23][emoji23][emoji23][emoji23]
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