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-   -   Grind top of concrete pier (http://www.diychatroom.com/f19/grind-top-concrete-pier-69825/)

rsmith0399 04-25-2010 04:52 PM

Grind top of concrete pier
 
I am building a low deck, partially over an existing patio. I poured several 8" concrete piers and a few of them are off, maybe 1/2" or so. Is there a way to grind off the top of the pier?

Thanks!
Ron

Daniel Holzman 04-25-2010 04:57 PM

Sure you could grind the piers with an angle grinder, but why bother? I assume you are using 4x4 or 6x6 wooden posts on top of the pier to support the deck, simply adjust the length of the posts to make the deck level.

oh'mike 04-25-2010 06:01 PM

Daniel--sounds like he wants to use the pier to support a girder.

RSmith--Buy a cheap 4 1/2 inch angle grinder--I paid $16.00 for the last one I bought.
A diamond cutting blade is less than $10-


A Skill saw could also be used with a diamond blade--$15.00 to $40.00 Depending on quality.
To trim down a couple of piers that are to high---I'd think a cheap blade will get the job done.

---Mike--

kwikfishron 04-25-2010 06:08 PM

How about knotch the wood?

Yoyizit 04-25-2010 07:18 PM

Quote:

Originally Posted by kwikfishron (Post 433471)
How about knotch the wood?

Yes, why knot? :thumbsup:

Sawdust is harmless, concrete dust not so.

jomama45 04-25-2010 07:36 PM

Shim up the low ones 1/2" & wait for all the tubes to sink......... :whistling2:

In all seriousness, oh-mike has the best answer IMO. Grind for a while, or set a diamind sawblade down about 3/4", sawing reliefs every 1/2" or so, & then chisel all the weakened pieces off from the side.

Gary in WA 04-25-2010 09:56 PM

Constant garden hose mist with a wet/dry vacuum, and as stated. Wear goggles and mask . Not snorkel.

Be safe, Gary

nap 04-25-2010 11:18 PM

Quote:

Originally Posted by GBR in WA (Post 433600)
Constant garden hose mist with a wet/dry vacuum, and as stated. Wear goggles and mask . Not snorkel.

Be safe, Gary

and be sure you use GFCI protection for the circuit.


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