Thanks for the reply, since posting a few days ago it would appear the tiles are slowly losing the dark colour that it gained, so def moisture!!!
I had a theory that perhaps when the heating system was installed after the house was built, to lay the pipes in the floor they may have cut the...
I had to use loads of no more nails & i also nailed it down with 1 inch masonry nails to secure. I had to do this as the base is concrete that the plywood is sat on.
The concrete did have a layer of black tacky coating on top of the concrete but i think this was used to secure the old...
Please Help!!
I have recently laid white ceramic tiles throughout my kitchen/diner about 4 months ago. I have laid the tiles on plywood using a flexible adhesive. Underneath the plywood is a concrete floor, which was put down in the 1970's.
However the problem is:- I have recently turned...