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1920 Colonial - Stone foundation - Finish Basement?

1920 Colonial - Stone foundation - Finish Basement?

Old 03-13-04, 08:23 PM
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1920 Colonial - Stone foundation - Finish Basement?


Most of my stone foundation is covered with this white stuff. Not sure what it is. Some areas of it are becoming brittle. Seems like a grainy material. I would like to finish my basement. I get slight leaks in a couple of scefic areas. after large snow melts followed by rain. How do I handle my walls.

Some of the walls have already been sheet rocked over fromt he previous owner. I am affraid of what is behind the walls.

Old 03-14-04, 12:22 PM
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Soundsa like the greainy areas are a sand plaster. Easy enough to take out, especially if the are coming down anyway. Big Mess though. Hit it with a sledge hammer, but not to hard. Just enough to crumble it. You will want to rip out the sheetrock to make sure no mold behind it.
Old 03-14-04, 03:56 PM
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There are several things that you white grainy covering might be.
Hard to tell from your discription. What ever you do, DO NOT HIT YOUR STONE WALL WITH A HAMMER. If you knock one of your stones or more loose, you will have a big problem in a hurry. My advice would be to call a basement contractor to have a look at it.
They can tell you right away, and will not charge you. I just hope it is not what I think it might be. Let us know after the visit. Good Luck

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