Licwaterproofer- i have been reading your posts which i have found very helpful and was wondering if i could ask a few questions- we just bought a house ( undisclosed mold/water issues)...it seems that the mold is limited to one wall with a water stain at the bottom...we do not see it on any other wall...the issue we have is that the home is 80-100 yrs. old with a stone foundation...I have been doing a lot of research and agree with you that external waterproofing is the way to go...however, I have read that excavating around an old stone foundation is a very very bad idea. Apparently it upsets the compacted soil that has been there for decades and can undermine the foundation causing way larger problems...so I dont think that is an option for us. What I did find is that using Sodium Bentonite/ Bentogrout injection..which doesnt require excavation...may be our best option...what do you think of this? i saw your comment on injection techniques but what other options do we have with this kind of foundation? Can you recommend an honest/not crazy expensive company in the NJ area? Thank you!

If you've never had any real flooding problems, perhaps you are getting carried away. Besides, until something floods it's hard to know where the water is coming from. Fixing the grade is definitely a good idea. Did you check the gutters? I understand that is sometimes an easy fix. Would it make sense to just dig a drainage ditch parallel to the house just above the house on the hill, add a drainage pipe or ditch directing the water down the hill, and fill it with gravel and/or a rain garden? Sort of a redneck french drain. I understand there are complexities and mixed results with efforts to actually make your basement wall impermeable to water.

This is a really old thread, but for anyone that finds this (like me), let me share my recent experience. We had an unfinished basement for 10 years. Over those years, we had seepage through the walls due to improper drainage outside (this was a brand new house). I agree with the poster above that suggests you fix your landscaping. We had spots where water was pooling, and water just...finds a way. It's what it does. Anyway, also during that time, I worked down in the basement on top of some old carpet and pad that we tore out of a room we put hardwood floors in. Never had any issue with that just sitting on the floor. We recently had our third child, and decided it was time to finish the basement. We decided that we would waterproof the north side of the house that had most of the water seepage in the past. For the flooring, we put down linoleum in the bathroom, laminate in my office, and carpet in the main part of the basement where the kids would play. Lowe's sold us on the VERY BEST (their words) carpet pad for basements. It's this newfangled crap that has a "breathable" vapor barrier. So water can escape from underneath but not penetrate through it from above. That's the claim. Well, fast forward LESS THAN ONE YEAR... The whole area where that carpet is smells musty and gross. If you are going to use a pad, DO NOT, PLEASE, GOD, DO NOT buy anything with a vapor barrier on it, even if they swear it is breathable. It may be breathable, but not enough. The crappy 6 pound rebond stuff I had sitting down there for probably 7 years never did this. The moisture from your floor needs to be able to escape, not get trapped underneath there. Lowe's is now sending out somebody to look at it, and they will decide how to handle this problem. It is going to be a huge nightmare. Even if they are super cooperative, and offer to replace everything, I still have to move all of our stuff out of there, have it all tore up, clean up whatever mess is there properly (somehow I don't think Lowe's will do this part for me), and then get it reinstalled again. From other things I have read, if you are going to put anything over top of the concrete, you shouldn't try to seal it. Walls are one thing, especially if you have functioning drain tiles that will drain the water that has nowhere to go. I'd be interested to know if anyone has opinions on the laminate I put down in my office. Underneath that is the foil covered pad, which is...a vapor barrier.. Every video you watch on the internet says this is how it's done in basements. I get stopping the vapor from hitting the laminate, but worry now that it's just trapped and will try to creep up the walls. Home ownership is so much fun!

All; I am currently in the process of evaluating interior drainage waterproofing companies and I wanted to share my experiences so far. I am not expert in the field but from reading and talking to people over the past couple of years I have learned a couple of things concerning basements that have water problems. (a) first check to see where the water is coming from. Check your gutters, liters, e.t.c and make sure that they are clean. If your gutters are fine make sure that you have extenders at the bottom of your liters to push the water far away from the foundation of your house. If your gutters need replacing replace them. If you have water coming from around your windows putting in a interior drainage system is not going to solve your water problem. (b) the best kind of waterproofing is from the OUTSIDE NOT from the INSIDE. You want to prevent the water from coming into your house. WHERE PRACTICAL dig arond the foundation of your house and seal from the outside. All interior drainage systems do is route the water into your basement them back out via the sump pump. Inside drainage systems are practical when your house sits on a high water table (as in my case)or is below sea level. With interior drainage systems you are more prone to termites and radon gas getting into your home. Since I will be going with an interior drainage system I plan on monitoring the radon levels in my home. (c) Where practical check you walls for leaks. Seal all cracks with hydrolic cement or something similar. Below are the companies that I have met with over the years and my notes on each company. Most of them are bad and one is good. ValueDry - definitely one of the more expensive waterproofing companies. The first time I met with them was in 2008 for both homes. The reps were very informative and polite. When I called again this year (2010) the sales manager said that I could email him some questions since they had come out to see my primary home in NY already. He emailed me back a quote (still expensive) and told me that I had three days to consider (most of the other companies give you 30 days). When I emailed him back a few days later with another question he told me that since the three days has passed the "special price" that I had received was no longer any good! NOTE: turns out company is not licensed in the county of NY where I live. Sounds like the company didn't really want my business. American A-1 - my first time interviewing them. Read allot of good reviews about them on web. Checked references and the references were good. Had a good product at a decent price. Salesman was nice but was probably new on the job and not very knowledgeable. Tried to "con" me into buying stuff that I didn't really need. Really did not know his stuff. Tried to telll me that he had to drill a hole in my foundation BEFORE he could quote me a price and BEFORE we signed a contract. Guys who know their stuff will be able to look at the foundation near the floor and tell you what kind of foundation you have. I told him he could not just drill my floor BEFORE we agree on terms. So the deal was off. NOTE: turns out that American A-1 is under a company is not licensed to do work in the county of NY where I live. They told me that they were. American Dry Basement Systems - definitely has some of the most rude salesmen of all the companies that I have ecountered. My first experience with them was in 2008 in my home in NY. This guy was busy "bragging" about how great the company is but didn't want to leave us any references OR literature. He thought that since he lived in the area that it would be an easy sell. I tried to ask him questions and basically his answers did not make any sense. When I tried to point this out to him he talked all over me. Salesman didn't seem to knowledgeable when I asked him certain questions. Since I didn't have any work done in the basement in 2008 and I called them again in 2010 and thought I would give them a second chance. This time I got a guy that got rude with me over the phone. ADBM, if you are reading this you definitely need to send your guys back to school to learn how to talk to people. NOTE: ADBM is not licensed to do work in county of NY where I live. They told me they were. Vulcan - "The bigboys on the block" that have been around for years. So, since you have been around since 1949 why do you only offer only a 10 year guarantee when the other companies that have not been around as long as you offer 25 years or more? Price came in way less than the other competitors. Is it because your company offers a different kind of conduit for the water (polyethylene) which cost less is not as strong as PVC pipes? Salesman was also prone to bragging. Could not give me an answer why they only guarantee for 10 years. Also, why are you not a member of the National Association of WaterProofers and Structural Repair Contractors. I couldn't get a straight answer on this either. Salesman didn't seem too knowledgeable. Most states require a dedicated line for the sump pump. Salesman who claims to have been in the game for a long time did not know this! Mid-Atlantic - met with them back in 2003. Salesman was very nice but when he saw that we had a finished basement (one part is a office, the other part is a living room area. we also have a tiled floor) the look on his face was "man, is your basement going to get jacked up by the time that we get done with it". He was very honest in telling us that the area would really get messed up with the jack hammering and everything else that had to be done. I believe he quoted me a price of $12,000 back then to do two walls. Good thing I didn't have it done then! Why? (a) that was during the housing boom when prices for everything concerning a home was much more expensive so quotes for waterproofing was also more expensive back then also (b) if I only had two walls done I would have had to call them back to do the other two walls years later because now my entire basement floods in comparison to just one section of the basement. 1st Quality Basements Systems - meet with this salesman about my home in NJ back in 2007 or 2008. Very courteous and professional. I believe he quoted me a price that I thought was too high for me to pay for an investment property that I was already loosing money on (might have been $7000). Ended up just putting a sump pump in the basement. Still have a water problem just not as bad. If I ever do have to waterproof this house I would find this person's business card and contact him. This company is part of Basement Systems Inc which the below company is also a part of. They are totally independent of each other. Basement Systems of New York - very good experience so far. The salesman was very knowledgeable. I met with them a few days ago concerning my home in NY. The salesman broke everything down to me in simple terms that I could understand (now I know the difference between monolithic and two slab foundations). Waiting to hear back from them on a quote. If the numbers add up I will go with this company. Note: all of the companies that were not licensed in the part of NY where I lived wanted to charge me MORE MONEY to do the job than companies that were licensed in NY. That seems real backwards to me. If anything, they should charge me LESS!!! I read a a good article on the Bob Vila website about basement leaks. It is attached below. It is definitely recommeded reading for anyone who wants to understand basement leaks. Feel free to email me with any questions at max4ever69@gmail.com Best, Max