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Sanding concrete flaw in driveway ...

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Sanding concrete flaw in driveway ... temp2 05-08-2008
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Posted by Greg M on May 8, 2008, 5:17 pm
ransley wrote:
> On May 8, 12:52 pm, te...@cfl.rr.com wrote:
>> Hello,
>>
>> A small area of my driveway in front of the garage has a raised area
>> that actually slopes slightly toward the garage. The result, of
>> course, is that water enters under the garage door and pools in the
>> garage. Using a level, I found the area on the drivaeway that slopes
>> inward. It's about 1 ft. wide and maybe 1.5 ft long. Anyway, my first
>> thought is to sand or grind this part of the driveway to be more
>> uniform with the rest of the driveway in front of the garage. I'm not
>> a contractor; not even a weekend warrior. Not sure what I need. What
>> kind of sander or grinder? Since it's such a small area, will a hand-
>> held tool work OK. Is is something I can rent?
>>
>> Thanks in advance.
>
> Why not just spend 10 minutes and raise the low area with concrete
> patch now, then think about it for 10 years. Or use a circular
> grinder, eat dust, and gouge it all up, and then you will still need
> to patch it smooth.

I have zero confidence in any kind of concrete patch lasting more than
six months before cracking apart, especially considering raising the
grade could produce a lip at the entrance of the garage. Repeated tire
loading across that grade difference would break apart your skim coat
patch. Perhaps an easier solution would be to address the weather
stripping at the bottom of the garage door by either replacing it or by
adding some kind of threshold like this:
http://www.garagedoorsupply.com/stormshield.html

Greg M

Posted by Red on May 8, 2008, 4:31 pm
On May 8, 12:52=A0pm, te...@cfl.rr.com wrote:
> Hello,
>
> A small area of my driveway in front of the garage has a raised area
> that actually slopes slightly toward the garage. The result, of
> course, is that water enters under the garage door and pools in the
> garage. Using a level, I found the area on the drivaeway that slopes
> inward. It's about 1 ft. wide and maybe 1.5 ft long. Anyway, my first
> thought is to sand or grind this part of the driveway to be more
> uniform with the rest of the driveway in front of the garage. I'm not
> a contractor; not even a weekend warrior. Not sure what I need. What
> kind of sander or grinder? Since it's such a small area, will a hand-
> held tool work OK. Is is something I can rent?
>
> Thanks in advance.

If you have the time, patience, & elbow gease, they make a handheld
stone for grinding concrete flaws. Not worth the effort on big flaws,
but used on one your size it is doable and safe from overdoing with a
machine.. You can get one at most hardware stores.

Red

Posted by David Nebenzahl on May 8, 2008, 4:45 pm
On 5/8/2008 1:31 PM Red spake thus:

> On May 8, 12:52 pm, te...@cfl.rr.com wrote:
>>
>> A small area of my driveway in front of the garage has a raised area
>> that actually slopes slightly toward the garage. The result, of
>> course, is that water enters under the garage door and pools in the
>> garage. Using a level, I found the area on the drivaeway that slopes
>> inward. It's about 1 ft. wide and maybe 1.5 ft long. Anyway, my first
>> thought is to sand or grind this part of the driveway to be more
>> uniform with the rest of the driveway in front of the garage. I'm not
>> a contractor; not even a weekend warrior. Not sure what I need. What
>> kind of sander or grinder? Since it's such a small area, will a hand-
>> held tool work OK. Is is something I can rent?
>>
>> Thanks in advance.
>
> If you have the time, patience, & elbow gease, they make a handheld
> stone for grinding concrete flaws. Not worth the effort on big flaws,
> but used on one your size it is doable and safe from overdoing with a
> machine.. You can get one at most hardware stores.

Why would the O.P. want to buy one (a fairly expensive tool, not to
mention grinding disks) when they can simply rent one at any decent
equipment rental place? (BTW, the rental place will usually make you pay
for a disk, although the last time I rented one, I simply used the disk
already in the grinder and wasn't charged for it.)


--
The best argument against democracy is a five-minute
conversation with the average voter.

- Attributed to Winston Churchill

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