dimple board as a vapor barrier

Old 08-18-04, 11:03 AM
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dimple board as a vapor barrier

I am remodeling a basement, and considering using this product to line the walls (routing it into an interior french drain) and floors.
Theoretically this will provide a vapor barrier but also provide an air gap such that the concrete can breathe while keeping flooring, framing and walls dry.

I am new to this product and would like to survey the experience of others with it. I am nearly sold on it as a best option with a slight concern about creating mold(however mold should not have a food source in this system).
Old 08-19-04, 12:54 AM
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I just installed an interior drainage system using the drainage board. I cut out the concrete, installed a 3" perforated tile in the trench and drilled 1/2"(?) holes into the bottom row of blocks to drain out any water that may enter them. I used the drainage board up against the wall for about 10 inches, then over the footing and sticking out over the tile. Concrete went back in place, so the only thing visible is the 10" of drainage board.

I used to work for a company who installed these systems all the time. They work fantastic - virtually idiot proof (which came in handy for me ). I was talking to my old boss about it last week, and he told me that they are now putting the drainage board about 4-5 feet up the wall to ensure that any water that comes seeping through will go into the tile. While this may be a good idea, it could be quite pricey if you don't get the drainage board in bulk.

So, a short answer is yes, you could do that. I myself would still use a poly vapour barrier between the studs and the drywall....

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