Tiled floor bouncing

[penguinlicker]

hi,

I have a tiled bathroom floor over. The floor underneath it is concrete. When I walk on it it seems to bounce slightly underfoot on the corners and joins. Is this normal? Are we going to have problems down the line? The grout isn’t cracked.

thank you for reading

 

[demi34]

I think the tiles not stuck properly. You have to tile again the floor