07:04PM | 06/27/09
Member Since: 06/26/09
1 lifetime posts
Hello - I would greatly appreciate your thoughts on my concerns. The house is a c.1932 bungalow style located in Denver, CO, which, as you may know, is generally a very dry climate but this summer has brought very frequent rain. After someone found some mold (later tested and found to be in a safe range and not a health concern), I had someone remove several feet of drywall from floor up and bring in industrial power dehumidifiers. This is a finished basement and after several days of industrial dehumidification, the foundation generally read between 12% to over 22% with a moisture meter on both north and south sides of the house. Foundation is limestone. Never any noticable water in basement but the interior foundation walls efflorescence is noticeable when you brush your hand on it - however, there are no noticable foundation issues of a structural nature at this point. I was told that due to water inflitration, that I would need to excavate 8' deep x 4' wide around front and two sides of house (removing concrete in the process) to have waterproofing fancy plastic type material affixed to the foundation which is extremely expensive given the excavation involved and removal and replacement of approx. 400 sq.ft. concrete. Other items to note: (i) 1 year ago had broken sprinklers on north side of house which did lead to virtually constant puddles for month (north side house only), (ii) clothes were dried in basement until several months ago and (iii) no exhaust fan in upstairs bathroom. I have fixed items (i) and (ii) and will work on (iii) if necessary, but could these account for the foundational water inflitration or is there another method to deal with the moisture readings OR is it not necessary to do any serious work (I'm fine sealing very small openings between concrete and side of house) given that this precipitation is not normal and this foundation has worked just fine for this house for about 70 years? I greatly appreciate any thoughts or advise that you may have. Thanks!


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