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Picture of NicoleDB
Posted
We have lived in our 30-year-old split foyer for almost three years, and have never seen water in the basement...except for this Spring when we had record rains. The insurance appraiser said that the water actually seeped up from the concrete itself, but he saw no evidence of any other water damage from previous years. We want to finish the basement and make it our primary living space. Would sealing the concrete and building up a subfloor work? Or would that just trap and hide any future water, creating mold? Help!!
 
Posts: 1 | Registered: Sep 27, 2008Reply With QuoteEdit or Delete MessageReport This Post
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hiding, yes.

you need to put in a proper subfloor drainage system... gravel, collection pipes, a sump and pump... and if you're moving into the basement to stay, which I don't like, you need to get a pro's advice on where.

the ideal situation is to excavate around the house and put the pipes outside the footings. costly and messes up the landscaping.

in our house, they cut around the concrete floor inside, laid piping, and replaced the concrete. and that system isn't doing anything, we have dampness, mustiness, and never a drop of water in the pit.

at the folks' house, it was a wet corner with water flowing in from the backyard. punched out a section of concrete, dug in a pit and packed crushed rock around it, with a gravel and sand fill in the spaces to filter out the dirt, and that has done wonders. although there is still efflourescence on the block, so there is still water that pools alongside the house before it gets through the clay into the sump.

proper piping outside and proper soil and rock fill outside, with a drain line leading to the sump pit and thence the outfall line from the pump, is probably the best move.


sig: if this is a new economy, how come they still want my old-fashioned money?
 
Posts: 2038 | Registered: Mar 14, 2007Reply With QuoteEdit or Delete MessageReport This Post
Picture of joecaption
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At least 90% of the water coming in can be treated outside the house, not trying to hide or stop it from inside.
Rain gutters leading at least 10 ft. from the foundation, French drains on the outside leading to day light. Never having mulch right up againt the foundation, All land scaping running away from the foundation.


joecaption
 
Posts: 11217 | Location: Halieford VA | Registered: Jan 31, 2004Reply With QuoteEdit or Delete MessageReport This Post
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