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Coredrill Vacuum Base And Flatwork Seams

 
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Old 06-14-2011, 08:55 PM   #1
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Coredrill Vacuum Base And Flatwork Seams


I have a Hilti DD200 core drill with the vacuum base. Terrific tool but I constantly run into problems catching a vacuum on flatwork. I'm drilling for pipe rail posts and any time the hole must be near an expansion seam the base won't seal and it breaks the vacuum and I have to do it by hand. I'm talking the seams where they use the plastic stuff that leaves about a 1/2" double radius when its pulled. Anyone come up with a way to span these and keep a seal? I've tried plugging and sealing them with the foam rod stuff for filling big gaps when caulking but to no avail.
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Old 06-15-2011, 04:23 AM   #2
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Re: Coredrill Vacuum Base And Flatwork Seams


Unfortunately it's hand held in these areas.

Wanna try a real fun one...try using the vacuum on an ICF wall!!! It doesn't work unless you mount a piece of 3/4" ply and then I can have it hanging there

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