To seal up these cracks use a concrete patching compound available from hardware and home improvement stores.
Water rising up through concrete floor.
My housing surveyor who s looked at it has said its unlikely but a damp proof guy has said that this is a likley occurrence and its because the damp proof membrane on the concrete floor has failed.
This can cause issues with mold and mildew especially if you have carpet or.
As the water table rises the amount of hydrostatic pressure increases.
Damp coming up through concrete floor.
Dry out your home.
This can still lead to problems including mold and mildew.
The water table is higher during rainy periods and lower during dry spells.
I have damp coming up around the edges in some rooms kitchen lounge and all along a newly built internal partition stud wall.
Ignoring cracks in your concrete floor even those as small as 1 8 inch wide is like inviting water into your home.
You have to seal the floor.
Free water in concrete and rising moisture from below concrete are the source of moisture.
The first step in drying out your home is to make sure the humidity in the room is not too high the temperature is low and the air is circulating.
Can water or water vapour come up through a concrete floor and go through a polysteryne insulation block to ruin a plywood floor above it.
If there are gaps in the concrete floor such as cracks or where the basement floor meets the foundation wall the cove joint or seam between the foundation and the floor slab ground water is forced up through them and into your basement.
My house was built 1950.
Factors that lead to moisture accumulation in concrete and subsequent related problems include fast track construction schedule which does not allow free water to evaporate naturally inadequate moisture protection and wet construction site.
If you don t provide adequate concrete pressure relief the concrete floor may crack or even buckle.
If the basement drains don t allow for an overly high water table you may have water seeping through the concrete walls and floor.
If the water is seeping up through the floor it could be a result of insufficiently sealed foundations or there could be cracks in the foundation floor.
Concrete s porous nature means that water from under your home can seep up through your concrete floor making it damp.