interior french drain with integrated vapor barrier is a good ?
We are evaluating companies for our basement french drain. One of the companies has an integrated vapor barrier system option. sound attractive to me. it likes this (or link at the bottom): http://www.flickr.com/photos/basementtechnologies/4843797329/
The vapor barrier's bottom will be burried into the french drain. On the top the vapor barry sheet will be sealed with wall. I have a poured concrete basement. Poured in 1950. No water seen through the wall but lots of efflorescense.
What's your opinion about this? the bottom
Here is a link that might be useful: French Drain with Vapor Barrier