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Old 02-23-2011, 12:46 AM   #1
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Cement coating on block basement


I have a block basement - 1947
It has a "coating" of cement blended into the floor.
This stops about 5 foot above floor.

Some areas of this cement covering is cracked, or pulling away from the wall.
I was going to remove any loose material then re-apply cement?

Is it typical to apply a cement coating on the block basement?


I would like to clean the basement up and use it as a hobby room for the kids.

My thought was just painting walls and floor. I was not planning on drywall or anything.

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Old 02-23-2011, 07:25 AM   #2
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Cement coating on block basement


Not an expert on this, but it is called a parget coat. It is usually nothing more than sand mix troweled over the block. The final finish depends on the type of trowel. You could find more info on this in some of the DIY books available at book and home stores.

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Old 02-23-2011, 08:23 AM   #3
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Cement coating on block basement


I am not sure if that is exactly what this is.
It looks like it had plywood forms and the cement was poured in.

This thickness is 1/2" and goes thicker towards the floor.
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Old 02-23-2011, 08:35 AM   #4
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Cement coating on block basement


It may also be something like Thouroughseal that a previous owner applied to hold back moisture.
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Old 02-24-2011, 01:00 AM   #5
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Cement coating on block basement


This is much thicker then that.
I need to post some photos
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Old 02-24-2011, 06:41 PM   #6
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Cement coating on block basement


Definitely post some photos. From your description, it was sounding like parge coating. A friend of mine thought he had parge coated concrete block foundation but upon further examination it was actually a poured concrete wall using slip-form construction.
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Old 03-11-2011, 11:09 PM   #7
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Cement coating on block basement


Finally go around to posting some photos.
This looks funny because this is the original wall to the basement. A new foundation wall was poured 8ft out from the original.
EXCEPT the wall on the front of the house.

But, you can see the layer of concrete...
I don't car if it stays or goes, I just need a way to correct it cosmetically.





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Old 03-12-2011, 12:06 AM   #8
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Cement coating on block basement


Yep! Thats a PARGE coat. You can buy a ready mixed parge at Home Depot!

To apply the parge, it takes a bit of practice. You'll likely have it down pat in about a year or so.
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Old 03-12-2011, 08:24 AM   #9
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Cement coating on block basement


I am guessing that was to prevent water issues?

It does not go to the top of the basement wall.

Probably about 5foot up.
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Old 03-12-2011, 01:22 PM   #10
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Cement coating on block basement


Quote:
Originally Posted by theedudenator View Post
I am guessing that was to prevent water issues?

It does not go to the top of the basement wall.

Probably about 5foot up.
It was more likely done to hide sloppy block laying! A parge will only stop water if it has a sealer on the source side!
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Old 03-13-2011, 08:18 AM   #11
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Cement coating on block basement


parging is rarely permanent & its even more rate a h/o would find thoroseal let alone pay the price to have the work done professionally,,, chip off the loose stuff, mechanically attach expanded wire mesh, & reparge.

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