Tiles at Waves
The tiles inside your Unit and on your balcony are your responsibility and you should check them regularly and maintain them.
They will mostly look after themselves so it is not a big task. Failure to maintain them can cause you significant expense.
Maintenance involves ensuring that pooled water is swept to the nearest floor drain. Any missing grout should be replaced as soon as possible.
In your shower areas, always make sure that all water drains away after use. This is important to minimise water seeping into the screed layer beneath the tiles.
If you see any yellowing or oozing near the silver strip at the bathroom doorway, you have a problem that will only worsen.
Here is a sample of the problem area:
Tile Edge Oozing
The primary objective should be to minimize water build up and pooling on the shower floor. This can be achieved by wiping up any residual water with an old towel after each use. If the shower floor drains as designed and all water drained away within say, 15 minutes, then towel drying the floor should not be needed and you are probably not seeing any of the tell tale signs described above.
Another suggested action is to have the tile grout lines in the shower stall treated with a quality sealant, thus minimising water penetration.
If your bathroom floors have degraded to the degree of the one shown above, then the only viable fix is a complete re-tile of the floor, which would entail new membrane applications, new screed and tiling. Several Units have already gone through this process and at the same time have fully modernised their bathrooms.
The money spent will always be recouped any time the unit might be sold.