block wall basement

Old 01-13-01, 03:01 PM
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I am in the process of fixing up a old basement. I have
put in new drainage on the outside of the foundation. All the gutters are tied into it as well as putting clean outs
at the start and run the drainage out to the street. While
I had the foundation dug out I put a tar coating on the outside masonry OK, been throught the seasons and no water that Ive seen.
My problem is that I want to put a masonary or waterproofing paint on the inside of the walls just to be sure,but about 1/2 the walls already have paint and a tar coating on them. Do I have to remove all the paint to do this or is there another way?
Going to have a new concrete floor poured on top of existing
torn up floor, do I seal the walls before or after?
Need some advice at this point.
Old 01-14-01, 12:06 AM
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I think another coat on the inside is overkill. If you've installed draintile (perforated corrugated pipe) and vented it to the street, you shouldn't have any problem with water pressure against the foundation. A good coat of emulsified tar on the masonary exterior below grade is an excellent water barrier.
I understand the fears of a wet basement only too well, and it sounds like you've covered the bases. But, if it makes you sleep better, you can apply an oil based primer to the existing paint/tar, then apply your final sealer coat.
Best of luck,
Architectural Casework, Ltd.
Old 01-17-01, 07:55 PM
some help
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If you want to make sure and add sealer on the in side make sure the wall is dry the block has no moisture in them add heat for a few days clean as well as you can and paint. If you are going to do it anyway do it as good as you can...

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