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Home > Archive > Home Repair forum > October 2006 > Concrete weep holes
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Concrete weep holes
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| srazor 2006-10-29, 5:25 pm |
| A customer has a brick flower box 3x3' that does not drain water (no weep holes) Do I drill them through the mortar joint or brick? Do I need to insert PVC pipe to line the weep holes to prevent freeze damage? TIA
Scot
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| professorpaul 2006-10-29, 5:25 pm |
| You will need a tungsten carbide bit. It is easier to go through the
mortar, as it is likely softer. I see no need for a piece of tubing
myself. The key is the drain holes... make enough of them!
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| hallerb@aol.com 2006-10-29, 5:25 pm |
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professorpaul wrote:
> You will need a tungsten carbide bit. It is easier to go through the
> mortar, as it is likely softer. I see no need for a piece of tubing
> myself. The key is the drain holes... make enough of them!
yeah add garden hose to confirm it drains.the more holes the better, in
mortar is fine although a couple thru the block is a good addition too,
so the blocks cant fill with water and freeze, if your in a area that
gets cold.
are you certain the bottom isnt open somehow?
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| raven@westnet.poe.com 2006-10-30, 1:25 pm |
| srazor <srazor@mach3.com> wrote:
> A customer has a brick flower box 3x3' that does not drain water (no
> weep holes) Do I drill them through the mortar joint or brick? Do I
> need to insert PVC pipe to line the weep holes to prevent freeze damage?
> TIA
Always drill thorugh the mortar, not the brick: mortar can repaired
easily, while a destroyed brick would need to be replaced entirely.
The PVC won't help so don't waste your time with it. Old time weep holes
would be made with a simple length of cotton rope laid in the bottom of a
mortar joint to wick out moisture: the cotton would eventually rot away
but that wouldn't matter. Today, masons frequently leave one butt-joint
completely free of mortar and put in a metal vent to keep out insects
while allowing out water.
John
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