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Cement placer
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aemeijers
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Posts: 5,149
Cement placer
On 8/31/2011 5:13 PM,
wrote:
On Wed, 31 Aug 2011 01:24:07 -0400,
wrote:
I'm trying to put a fan into a 12-inch thick brick wall. Diameter is
about 8 inches. Naturally I don't have an 8 inch masonry bit (and I
wouldn't like to pay the cost) so the next best thing is to cut
through enough bricks to make a squarish hole though which the fan
will fit. But that leaves small gaps on each side which I'd like to
fill in with mortar. I should also mention that I can only get to the
inside; the fan (really the vent part) is lowered from a higher floor
using a string duct-taped in place. When it's where I want it one
strong tug and it's free. So I have to push the mortar in from the
inside and it's a pain in the butt. Push as far as possible using
hands and then use a dowel to push it all the way and hopefully
compact it.
Well there's actually a miniature tool that I could use to do the job.
You know when you have a filling at the dentist: he does his drilling
and then uses a thing that looks like a tube with a piston inside to
place the amalgam in the cavity. He then tamps the amalgam down with
another instrument.
Upsize that tube with a piston to 1/2 inch (or maybe have a range of
sizes from 1/2 to 2 inches), pack it with mortar and then push the
piston home to place the mortar deep into the hole. Now where can I
get such a tool?
I use a garden trowel. I have a cast aluminum one with a deep curved
blade that will shovel in a pretty good amount of concrete at a time.
IMHO, this falls into the Life Is Too Short category. For a couple
hundred bucks, a concrete cutting company can put a pretty hole through
there in an hour, using their honking big drill.
--
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