Without a functioning weephole moisture behind this traveled outside the shower behind the baseboard trim and onto the floor.
Mold behind shower tile.
This can be a sign of black molds growing behind the shower tiles.
Leaky cold hot water supply lines.
Use an antifungal surface cleaner such as clorox antifungal available on amazon and a sponge or cloth to wipe mold off of non porous surfaces like tile and porcelain follow.
Three causes are possible.
Mold damage behind the shower surround.
Bleach is almost as effective as mb 9 for killing shower mold and will save you some money when killing the mold in a ceramic or porcelain tile shower.
First of all you need to look for a muddy appearance.
That s why you see mold growing from the bottom of the shower.
Water damage mold from tile showers can be fixed and prevented.
But instead he found that the wall behind is covered in black mold i guess it just kind of caved in.
The tiles of you shower stall might feel muddy and the area where you take a shower might be slimy and damp.
This dangerous accumulation develops because of the moisture in the small closed up room that has only limited ventilation.
You should mix the bleach one part bleach with one part water and spray it or the mb 9 directly on the tile and grout and ensure that you get a good saturation of the mold killing solution on the moldy shower grout.
Then spray the mixture on painted surfaces tiles windows or wherever you see mold or mildew spots.
Keep in mind that mold isn t just an unpleasant concept it is a serious health risk.
Surface mold growth is annoying but rarely more than an aesthetic nuisance.
While only a minor health hazard you should remove black mold from between the tiles in your shower to make the area look better.
If there is a growth of black mold then the walls will show signs of damage.
To remove and inhibit bathroom mold and mildew pour a solution of 3 tablespoons white vinegar 1 teaspoon borax and 2 cups hot water into a clean recycled spray bottle and give it a few good shakes.
The build up of mold behind shower wall construction is a common occurrence.
This mold is prevalent in the shower because of the dampness that exists in the shower and this extra moisture means that bacteria has a chance to thrive there.
Keep an eye on the walls of the bathroom.
You may see mold in the shower or around the tub but what you don t see may be wood that is rotting underneath.
Our master shower is tiled some of the tiles were coming loose so my husband was going to fix this.
This moisture never completely dries and eventually seeps into the nooks and crannies of your shower.
Cracked tile grout.
Another cause of mold could be simply poor caulking around the tub or shower allowing water to enter behind the walls and or underneath the foundation.