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Old 02-27-2012, 04:56 PM   #1
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waterproofing walkout wood basement

Purchased this house 3 years ago, noticing that rain water hangs around the cedar lap boards that meet the concrete, one is even warped. I worry this is a recipe for damage and termites. Behind the boards is OSB leading to the unfinished basement. Wondering if there's a better approach, for instance removing the bottom two lap boards and replacing bottom part of the osb and going with something water tight/resistant. Is there some kinda membrane I could slap on and maybe do vinyl siding for the bottom 2 or 3 boards. Theres a deck above and I plan on putting some sort of drainage system which will help in the future. I would think the best approach if money wasn't a problem would be to somehow tear out the bottom 2-3 feet and pour a concrete wall slab. Open to suggestions, pic attached, thanks in advanced.
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Last edited by hopskeens; 02-27-2012 at 05:11 PM. Reason: duplicate title
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Old 02-27-2012, 05:26 PM   #2
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It is quite obvious that the grade around siding and framing is too high, which can only lead to bad things (warping, rot and mold) since water is not drained away.



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Old 02-27-2012, 05:41 PM   #3
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Is there any type of roof over that area?
If not then that whole area is going to be trouble.
That slab should have been at least 4" lower the the door threshold and siding.
The only thing I can think of is to remove the bottom 4 rows of siding, use bunal N caulking (I'm sure I missed spelled it) caulking in the gap between the slab and the wall, if it's a large gap use foam backer rod before the caulking. Add storm and Ice shield to the wall, install 1 X 6 vinyl lumber ripped to the exposure the siding is set at minus about 1/8" to allow for the added space of the Z mold, using stainless steel trim screws or double dipped finish nails set in a bed of silicone at the bottom.
Install aluminum Z molding on top of the vinyl trim, then reinstall the siding.
Do not for get to unstall a kicker at the bottom to kick out the first row of siding so it sticks out past the Z molding. A piece of pressure treated or vinyl lattice will work.
I personaly never would have used a wooden threshold in that door. It's set way to low and may rot out with that slab so high.
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Old 02-27-2012, 06:37 PM   #4
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The bottom part of the door frame has gone to crap, you can see right through it. I guess another option is to cut out a 4" deep x 7" wide trough into the slab against the wall to drain the water away, but hopefully if I put corrugated steel below the deck thatll take care of that at a much cheaper cost. Yeah I think someone got alittle happy with the concrete thickness. This area has been exposed to rain since 96. Thanks for the suggestions Joe.
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