We had to rip up the floors and tile and replace it all.
Black floor under linoleum.
What is causing this.
When a black ring starts to appear around the base of a toilet under the linoleum it generally means the wax ring that seals the toilet to the floor underneath is leaking.
If you pull up the flooring the issue presents itself as a greenish black gelatinous material.
Test the residue for asbestos.
Mold and mildew can get into the wood floors.
Then we were getting the floors soft.
The color is coming from a black bacteria mold or sewage.
The glue that holds linoleum in place usually is called mastic.
When it runs out of a water source it can appear powdery and black.
Black mold on floor joists.
The only way to fix this is to pull the toilet off the floor remove the toilet s wax ring and.
Well my husband checked under the trailer.
When wet it can appear to be gooey.