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MPH 03-31-2010 08:02 PM

Replacing porch columns
Turned columns in need of replacement. Original columns sat on a plinth which sat on concrete. Later brick was laid on concrete and around plinth and column base.

I wish to replace the columns with AFCO aluminum columns that are extruded and ship unassembled. They snap together and bear over 24000 lbs.

My problem is that the uneven surface caused by the brick flooring job will not yield the best surface, and the outside face of the column would not have any brick on which to rest.

I thought of letting the outside face extend to the top of concrete, and the other three sides rest on brick. I thought of scoring the brick with the angle grinder or skil saw with a masonry blade so as to create a smoother landing for the column to rest.

Other option is to try to fill in the spot where the old column was with more brick and mortar or grout the whole thing in, and past where the column will set so as to make a smooth surface, but dont know if you can place a load on grout or if it will crumble.

What a mouthful. Any suggestions??

CrossWorks 03-31-2010 08:33 PM are always helpful in this case. But to answer your question: there is a concrete product out there that is design to take load bearings. I would suggest going to your local concrete supplier and pass on this information and see if they can supply it for you, or something of the like.

Using the products below, you should have no problem forming a base for your new columns and then set the columns in place.

Here's what I found going into Google:

Here's another option for you:

Good Luck

Big Bob 03-31-2010 08:47 PM

OP, CrossWorks advised some good tools. Pictures would really help so the best looking, cost effective, long term solution might be discussed.:thumbsup:

Lot's of ways to tackle this beast.. :thumbsup: How high are the columns?

MPH 03-31-2010 08:49 PM

1 Attachment(s)
Thanks for the quick reply, I was out taking a shot, and here it is...

They are about 9'6. The ones on this porch are actually not the rotten ones, strangely the carport rotted. I would have expected the brick to weep moisture and rot these out.

Big Bob 03-31-2010 09:39 PM

wow.. cross post thing going on...

ok a couple more questions.. tell us bout the desired replacemnt columns
size shape etc..? are the carpot columns sitting on a concrete slab? From your post I assume they are the same as the pic.

The column in the pic appears to be boxed 1 by or is it solid 6x6?

MPH 04-01-2010 09:19 AM

Carport columns are the same, but without the brick. They set on a plinth on a slab.

These appear to be hollow columns, at least at the top and bottoms. I am not sure if the turned portion is solid. I do seem to recall that they were built of fingerjointed pieces, not solid clear stock.

The new columns will sit directly on the slab for the carport.
They will be 6x6, where as the existing are 5.25"x5.25".

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