Caulking(I'm assuming that's what you meant by "cork") the perimeter off the effected room will only provide you with minimal protection against future flooding.To address that problem correctly you must provide adequate drainage away from your home,ie: rain gutters,grade landscaping away from your home,etc...Also make sure if your house has a stucco finish that any landscaping that comes in contact with the stucco remains below the weep screed which is at the bottom of the stucco at the footings.Covering the weep screed prevents proper drainage at the exterior wall.With the exception of your sewer connection most if not all of your plumbing is located in the walls not the floor so a leak under or within the concrete is unlikely,however concrete is porous and if a moisture barrier wasn't installed or was installed incorrectly between the sand and the concrete you may be experiencing hydrostatic pressure which is a term used to describe the moisture a slab draws from beneath and later emits on it's surface.A calcium chloride test will accurately determine hydrostatic pressure.If the hydrostatic pressure is above 5-7 pounds per square inch ceramic tile is your best bet as it will allow the moisture to pass thru it w/o causing damage to the floor.Also are you sure you have a wood floor and not a laminate floor?.If and when you reinstall the wood flooring be sure to overlap the plastic under it thoroughly and run it up the walls 2-3 inches,your baseboards will hide that and it is the proper way to install the plastic prior to installation of the wood.My email is
![[email address]](http://www.askmehelpdesk.com/?emailimage=bd43901849bf363d492f49045635ea52)
if you would care to contact me directly.I was a hardwood installer for 15 years and I would be glad o help you