Improve the drainage of the site.
How to stop moisture on concrete walls.
A low permeance vapor barrier or retarder can effectively keep below slab moisture from reaching the flooring system.
This will prevent moisture from wicking into the framed wall from the concrete foundation wall by capillary action.
Condensation control under these conditions favors strategies that hold the moisture within the insulated envelope.
The barrier can take anywhere from 72 hours to 90 days to full react but once hardened will reduce the size of the pores and therefore the movement of water and moisture through them.
Silicates can not stop water or moisture coming through cracks gaps or openings for those crack repair products should be used.
In this case the wall should be designed to keep the moisture on the exterior of the wall.
Placing a termite shield sill gaskets or other vapor impermeable membrane on the top of the foundation wall.
And separated sealants in joints gaps around openings and at.
Inadequate repair of cracks prior to painting or sealing.
Causes of rain leaks through exterior walls include improper installation of the following.
Install a damp proof course.
Warming the concrete to the point where condensation won t form.
Apart from design issues with the building itself causes include.
In hot and humid climates warm moist exterior air is driven towards the cooler drier interior.
Improper selection and application of coatings and water repellents.
There are two ways to fix this kind of moisture problem.
Check there s enough room under the floorboards for moisture to evaporate from the soil below and pass out through.
Isolating the basement s concrete surfaces from the interior living space.
The first solution is simply a matter of looping the basement space into your home s overall heating and cooling system.
Make sure the surrounding ground slopes away from the building.