The discoloration happens for a number of reasons especially if rubber mats are used on them.
Pink discoloration on vinyl flooring.
I have seen it discolor around heat vents and i have seen this same type of discoloration underneath refrigerators usually directly under the compressor.
If it were black gray blue or pink it would indicate mold growth.
Not all leaking fixtures leave puddles on the floor.
This will dissipate the yellowing but will take some time perhaps days or even weeks.
Seen it numerous times.
Pink synthetic polyurethane patching material.
I have seen this type of discoloration when the flooring is exposed to direct sunlight.
The discoloration will duplicate the shape of the patch in the underlayment.
Sometimes a leaking toilet can damage floor coverings and underflooring without creating any obvious signs.
It may be the adhesive that was used to adhere the vinyl to the concrete or it could be the result of moisture rising up through the concrete.
If the vinyl flooring can t be replaced right away there are a few tips for removing the stain and increasing the longevity of the vinyl floor.
See further down below to find our more information about pink stains on vinyl and linoleum flooring.
Then you d have to solve a moisture problem before laying your new floor.
This pink colored material was most commonly used in the middle 80 s it is used to fill knots and other voids in wood panel underlayment.
Often scratching or staining can occur this way.
Defining the phenomenon vinyl discoloration can take on a myriad of hues including yellow orange blue and pink.
Fix it the solution for this type of discoloration is to expose it to natural light.
I have not seen it occur on the newer vinyl floors though.
Discolored vinyl flooring near or under a toilet is unsightly but it can also indicate a problem such as a leaking toilet.
If the stain is yellow it s probably an adhesive stain.
Products on the market.
Pink stain is caused by the growth of microorganisms on the surface of a plasticized vinyl or other polymer.
Most of the time discoloration comes from the top down meaning that the buildup or soil from foot traffic is affecting the wear layer of the vinyl and not resisting the results of use.
While the material is pink the discoloration to the floor will be yellow.
Sound useless and obscure.
Specifically streptoverticillium reticulum a bacterium often found in soil and rotting vegetation.