Grout Or Sealant

[bcd-87]

Sure, here are some pictures - Sunday morning is DIY morning
around the drain there was cracked grout so i removed the metal insert (held in place in the screw holes) then the grout came off easily. One of the close up pictures shows there appears to be some sort of membrane under the tiles but also some gaps, should i push some grout in there first to fill the gap? Should any of this 'tray' be sealed first?

The other pictures are of the other areas where there was cracked grout, should be straight forward to just push thick grout into.

Advice much appreciated!

Phil

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Get a tiler round Phil Looks like there may be some movement

 

[Old Mod]

Thanks, can u do couple to show the room pls and where things relate to each other.
Close ups are good tho

 

[Phil164]

here are two photos of the room. The shower has a slight decline towards the drain, starting from just before the glass window starts.

 

[Andy Allen]

Is this on a wooden substrate or concrete

 

[Phil164]

I've no idea unfortunately, is there 'no destructive' way i could find out?

 

[Old Mod]

Is this on a wooden substrate or concrete

That's the former joint hey Andy!

 

[Old Mod]

It looks like there's movement on the former tray to floor transition by the screen.

If that was my shower floor it'd be screen out, and 5 tiles on that screen line and the cut tile to left would be straight out.
Inspect former and drainage for damage and if poss re tank and re tile.

 

[Andy Allen]

I've no idea unfortunately, is there 'no destructive' way i could find out?

Looks like movement to me or the wrong grout used....

 

[Old Mod]

Well if it's a recurring problem I'd go for movement. Drain not looking it's best and missing grout just in front.

 

[bcd-87]

All for movement say "I"