I have a concrete planter (round cup-shaped top, stem, square base.
Urn-like, I guess), that doesn't have a drain hole. Is it possible or
feasible to drill a drain hole from the bottom of the "cup" through the
stem, and out the bottom of the base? It might be 7" or so. Will it crack
the concrete? Any other ideas? Thanks!
P.S. We really need some type of drainage, as the flowers are stunted and a
heavy rain just filled the bowl!
Did the change the laws? I've drilled many a hole in concrete using a
regular drill and a carbide tipped masonry bit. I've made them to hold
electrical boxes, hose reels, deck post supports, planter hangers, etc.
Hammer drills are faster, but not needed.
Well I sure would not want to stand over a birdbath and drill a 7" long hole
with a regular drill and masonry bit. Youre talking about drilling a 1"
maybe a 2" at most with "regular drill and masonry bit. Wonder how long
that bit would last going thru 7 inches of cement?
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"You can lead them to LINUX
The good part is, you don't have to. That is the job of the OP. May take
some time, but it is possible. I'm not so sure the OP has to either. Not
all planters have drain holes. You put a couple of inches of stone in the
bottom though. Best to consult with someone that knows hot to plant in one
The concrete used in the planters high PSI and very small or no rocks. You
might not need "hammer mode". I have added drainage holes to others before
but not to the style you have.
If the stem is 4" around or more, you work slow on a padded surface and no
more than a 1/2" hole you most likely will be able to do it.
As an alternative you might consider drilling a couple of 1/4" holes from
the base of the bowl to the outside going sideways and down. Of course this
will only work if one side of the planter isn't high visibility. This option
is safer IMO.
Possible yes, difficult probably.
7 inches is a long way to go. My suggestion is to get a 1/4 masonary bit and
turn the urn over and start in drilling, without a hammer drill. See how
it goes. This will be a slow process. Once you have reached the end of the
bit it will be time to look for a longer one. You will probably need to
find a real supply store as the box stores may not have bits as long as you
need. You might try Harbor Freight. I would not put much bigger than 1/4 in
in the urn.
A varible speed hammer drill is the way to go.
I've drilled thru clay pots, glass bottles & concrete planters wth
A regular drill with a carbide masonry bit will take about 10 to 20x
longer for a comparable hole.
Seven inches is a deep hole but it you're careful it will work.
If you insist on keeping the planter exposed, there may be a couple of
ways around the problem. Replant the plants after putting a layer of
stone in bottom of planter. Fill the planter so the soil is mounded and
the plant at the same depth at soil surface. Pack well. Put on some
shredded cypress mulch. In heavy rain, water might run off rather than
collecting and flooding the planter. You could also - if feasible -
just lay the planter on it's side for an hour after a heavy rain. Or
put a clay pot inside so's you can lift out the plant and remove water.
Seven inches through a concrete stem won't be so easy. I have drilled
through terracotta pots using a mason drill chucked in a drill press
and applied several drops of water during the drilling. The speed
was set to about 500 rpm.
On Sun, 05 Jun 2005 22:55:15 GMT, "Airkings"
I agree, the hole in the side will let the water stain the planter but
the drilling will be so much esier.
Get a hold of a variable speed, mid sized rotary hammer & let us know
how ithe long hole turns out
If you're in SoCal , bring it by & I'll give a try.
Just insert an appropriate sized rubber hose from the hole
in the side to the adjacent ground area. Auto parts stores
often stock a wide variety of rubber hose sizes, sold by the
foot. Not likely to leak since little pressure build-up.
Also easy to remove to clean the hose and poke into the hole
to ensure it is not clogged.
Former slayer of dragons; practice now limited to sacred
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