Dark Formerly Wet Spot On Concrete Floor

Concrete discoloration comes in the form of dark spots stripes blotchy areas and color differences.

Dark formerly wet spot on concrete floor. They are clearly moisture that is coming up through the floor at certain places. If you notice your concrete floor darkens at certain levels of humidity or rain you may have acute sweating slab. There are many causes of discoloration on a concrete surfaces and the solution will vary depending on the cause. Close up of wet spots appearing.

I live in texas and all houses are lined up. This type of concrete moisture is isolated and completely random. We never have water in the basement. In fact you also mentioned that the spots seem to be getting larger over time.

Discoloration issues on new concrete. My floors are light color stained concrete with design grout throughout. While it generally cures in a uniform fashion sometimes cement will have dark splotches that show on the surface as the material cures or dries. Slab just becomes dark.

Puddles form on the surface of the concrete. The day they installed the concrete it was hot about 80 degrees and very windy. Concrete discoloration dark spots stripes and blotchy concrete. This article provides a catalog of types of stains found on concrete surfaces.

Ask question asked 4 years 1 month ago. When it rains a crack in the front entry way gets dark spots moisture in them and stays like that until it dries up. Water beneath the slab could turn the concrete a dark color as it would when water is spilled or poured on the surface. So pretty much was land and now houses all the same lined up from street to street.

Stains colors or discoloration on concrete surfaces. Methos for removing un wanted discoloration or stains from concrete. We had a new concrete patio installed this week and after top cast was removed we noticed there was dark concrete streaks in some areas. It may be the case of a spill or coating that was applied.

We have dark spots that get lighter and darker but never 100 go away. Walls floors ceilings including un wanted stains from various causes deliberate concrete coloring processes stains or acid treatments. Because moisture will seek the path of least resistance it usually shows up around cracks and the perimeter edges of concrete floors first. Tests have shown the cement is about 33 wet in those dark spots.

They applied a top cast per our request to expose some aggregate and left. It looked like hardened cement that had dried on top and was darker in color than the rest of concrete. They are all at the front of the house. The dark areas are moisture vapor that s traveling up through the porous concrete and out through the surface of the concrete floor.

Concrete is a fairly straightforward mixture of cement sand and water that is used in driveways basement slabs sidewalks and even streets. I would like to do something with basement floor it doesn t get wet just dark spots in area. Active 4 years 1 month ago.