My basement has water leakage problem. The water is coming from cove (where floor meets wall). It's in the entire perimeter of the wall (all 4 walls) (about 100'). One can see dark water spots at the bottom cinder blocks. May be Mold in one of the area on few cinder blocks (towards bottom blocks). Efflorescence spots in lot of blocks. My basement wall height will be about 5-6 ft below ground. There are few vertical cracks, but I understand that are because of settlement. Water is not coming from cracks. It's not coming even anywhere from Floor (as no floor cracks), but it's coming mainly from Wall and floor joints (Cold joint). I already have Flaoting floor (1'' gap between and floor and wall) which leads to Sump pump. Sump pump is working and throwing water continuously.
I did called few Waterproofing companies which suggested me for Inside pressure release system to install. Some use PVC pipes with or without filter cloth surrounding it and some ADS pipe. I do not know which will be good pipe to use. Also most of them use Zoller 0.3 HP pump, but few suggested 0.5 HP Zoller or 0.3 HP Little giant. Can you please suggest whether my problem can be resolved with Internal system.
Someone suggested me to clean the gap (Flaoting floor) with power wash and make the sump pit more deeper and install new pump and power wash the walls to remove Efflorescence and mold and than apply dry lock on the cinder block wall. Also seal the cracks using Hydraulic cement inside and outside and as per him that will solve the problem. He also suggested to put one more sump pump if required on the other end of current pump.
Also please suggest me which is a good/honest company who can do the job right in Central NJ (Metuchen area) for internal drainage system and can resolve my problem.
Let me know if you have any other suggestions/comments.
Thanks for your help.
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