Three tiles have fell off, how do i refix them? - Tile Advice

[female_novice]

Three tiles fell off my wall in my kitchen, and underneath I scraped off the combed white tile adhesive and also another white layer with a knife. It exposed some gypsum and paper like material underneath.
I used three parts water to one part granfix acrylic primer but I read on this page Applying primer - advice please :-) - http://www.tilersforums.com/threads/applying-primer-advice-please.30387/ that it reacts to gypsum.
What does it do to gypsum?
I am panicking, because there is a crawlspace behind the kitchen with timbers and the crawlspace belongs to the buildilng owner as I am leaseholder of a flat.
What will the granfix do to the gypsum. on this page Applying primer - advice please :-) - http://www.tilersforums.com/threads/applying-primer-advice-please.30387/ someone said this "You just need the neat coats on their own when using cement based as it reacts with the gypsum plaster background"
What do they mean by granfix reacting with gypsum background and what can I do to correct the situation please. Here is a picture of the mess I made.
Before the thin coat of granfix dried, I put on another neat coat directly onto the gypsum. I need to know what it will do to the gypsum.
Will I have to have it replastered?
I'm really worried cos i have no money snd the whole kitchen needs doing really.
Will the granfix ruin the gypsum? How does it react, sorry to be in such a panic, but I got really scared when I read the above quote from the thread linked above
Thanks

 

[female_novice]

thanks for everones input, problem solved, got some evo stick for tiles in a gun and gonna grout tomorrow, tiles now stuck to the wall harder than ever.

 

[Qwerty]

thanks for everones input, problem solved, got some evo stick for tiles in a gun and gonna grout tomorrow, tiles now stuck to the wall harder than ever.

Sounds like silicone!!! Got a picture if the evo stik product?

 

[Flintstone]

Contact adhesive or no nails I imagine

 

[female_novice]

Sounds like silicone!!! Got a picture if the evo stik product?

Yeah, here it is, says its suitable for tiles. I just squirted a little circle of it in the middle of the tile and the tiles are now stuck harder to the wall than ever. I left a 1 inch gap so that the glue would not squirt out of the sides of the tiles, as I need to grout them tomorrow.
See below, have I done the right thing?
thanks

 

[Dan]

Hmmmmmm

Not really the way it's done to be honest. But it's done now. Just grout it tomorrow.

Send us a pic of the finished project.

 

[female_novice]

Hmmmmmm

Not really the way it's done to be honest. But it's done now. Just grout it tomorrow.

Send us a pic of the finished project.

Not really the way it's done, can you elaborate where I went wrong please?
1)Is it likely to damage the gypsum plaster? (IMPORTANT)
2) Did I leave too large a gap - should i have put glue closer to the edge?
2)Even though they seem stuck fast, are they likely to fall off?
3)I'm using unibond tile grout suitable for kitchens and bathrooms.

 

[Dan]

No it's fine don't worry about it.

You usually tile with tile adhesive and grout with tile grout though.

 

[female_novice]

No it's fine don't worry about it.

You usually tile with tile adhesive and grout with tile grout though.

Thanks for speedy reply, just used evo cos it was only three tiles.
Will the evo stik damage the gypsum, like have a chemical reaction to it?
It seems stuck fast and secure at the moment, but worried it may loosen in future?
Is unibond grout ok?
PS I left the granfix primer on, but only one neat coat on top of a weak 1 part granflix to 3 parts water.
thanks

 

[Dan]

No
No
Yes

 

[Flintstone]

I don't think you needed to bother with primer when using that glue in a tube, it sticks anything to anything and for this job for you, it's fine. It wouldn't worry. Just grout it with whatever grout you have

 

[female_novice]

No
No
Yes

thanks sorry to bother you again, I left the primer on, first coat 3 parts water to one part granfix, and then before 1st coat dried, I put one more neat coat of granfix on, the night before sticking the tiles on, is that ok, sorry to bother you.

 

[Dan]

Yes

 

[Flintstone]

If there stuck on that's it isn't it?

 

[female_novice]

Yes

thanks