Note: All 3 Diagrams are only basic systems, we have many other inside and outside types of systems Available . Outside Excavation  Excavate dirt down beside footing; properly clean and repair cracks in walls, seal walls, replace old 4' inch pipe, install 4' inch clean outs for system, cover pipe with 2B or 57 size washed gravel. Back fill with soil to grade away from house. note: gravel can be brought all the way up to ground level. Inside System:     Cut out 14" inch strip of concrete around the walls to expose the footing and excavate dirt to bottom of footing. Install a sump crock with a locking lid and sump pump. On cement block walls, drill  weep hole in each core of blocks. Run a perforated drain pipe in the trench to sump crock. Fill the trench and around the crock with 2b or 57 size washed bank gravel. Lay a 6 mil plastic on top of the gravel and pour concrete to fill in the floor. Run the sump pump discharge pipe outside into downspout or approx. 10' feet from house. After this type of system is installed under the floor, it creates water pressure relief  to very effectively lower the water table under the floor. Multistorey System: we excavate by hand around house and seal any cracks found all the way down to footing if needed. Install a J-Channel shallow 4" inch drain (approx 2' feet deep) to catch surface water stopping it from running into foundation walls and basement floor. Thick plastic drainage mat is run down the wall, across bottom of trench and half way up dirt trench. 4" inch pipe covered by washed 2b or 57 bank gravel. Filter laid over gravel, then a thin layer of dirt or gravel to grade level. Caulk all cracks above grade and around windows. Also the same inside repair any cracks in walls and floor. We inspect footings and  reinforce them if needed. A Inside system is installed as explained in above diagram.

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