Just been researching what to use to clean and get rid of mold spores before re-siliconing or re-grouting, should that apply, too, and found this informative site:

Review of black mold disinfectants

Ethanol or Isopropanol (available quite cheaply from the chemist) come out on top...(very good, as I've got some in the house )
anyhow, pretty useful site altogether, have a look

What site would that be

Where is the link G ???

This one ?
Review of black mold disinfectants

The link works on your post Neale but not Giesla's ??

She didnt place a link, I did a google search and found that.

Once confirmed we'll put the link in the first post and clean this thread up lol

I did post the link.. worked initially....?? Yes, same as Neale's .... hmmmpff...

Review of black mold disinfectants

Trying again...

10 minutes later... working again now, or did you do your magic Dan? Anyhow, it's useful ...

You ned to deterine where the mould has come from.. if moisture has got in then it could be behind the tiles..

What adhesive did you use?... if it was ready mix then with it being a dispersion adhesive then moisture can break it down and mould spores grow there..

I hope it wasn't tubbed and you used homelux membrane and really it should be flexi cement based..

Originally Posted by Mosaic Girl

Review of black mold disinfectants

Trying again...

10 minutes later... working again now, or did you do your magic Dan? Anyhow, it's useful ...

Nope I did !

Originally Posted by Dave

You ned to deterine where the mould has come from.. if moisture has got in then it could be behind the tiles..

What adhesive did you use?... if it was ready mix then with it being a dispersion adhesive then moisture can break it down and mould spores grow there..

I hope it wasn't tubbed and you used homelux membrane and really it should be flexi cement based..

DAVE!!!! Of course it wasn't tubbed addy...., how very dare you!!!! () I talked the materials I used through with you at the time, and photos of the apple tree album show the tanking membrane. Used Bal mosaic fix on top, some cement addy I cant remember the name of right now (mixed with my lovely paddle mixer) to fix the tanking. I did the tanking and tiling after Mike fitted the bath, the only thing I can think of is that a tiny bit of the dark grey addy underneath the tanking poked out between the edge of the membrane and the bath, and looks like mold or made a bit of molding possible there. When I dug the old silicone out today there were a 10 centimeter and a 15 cm black line underneath the tiles, the rest was clean and white... pfff.. you made me dead grumpy now... anyhow, I have used the isopropanol in a little spray bottle to reach it all and will re-silicone when it's good and dry... tubbed addy my foot.. if I should do anything else before reapplying the silicione or if you have a better idea, let's have it......

Chill out.. would have answered you earlier but hard to do with a dentists drill in my mouth..

Grumble grumble... ok.. ... just cross with this thing, it's the third time I've redone it now, the spots are tiny but it just bugs the hell out of me, hope the alcohol will do it this time...had never heard of that before I found that site.

Hope your tooth is better...

Just seen this thread. I'm quoting for a job at the moment and just noticed there is a small amount of mold on the wall covering a foot square. This would obviously have to be treated before tiling but how long should I wait before tiling?
I'll probably suggest the clinet does it unless it can be done fairly quickly. How long did you wait Mosaic Girl?

Hi, the alcohol works really within seconds and then evaporates quickly, so it's minutes to wait rather than hours, I don't know if there is an adhesive which has a mold inhibitor built in, you'd have to wait for big man Dave or someone like that to come along. What are you tiling on?

It's a painted wall so I assume it's plaster underneath.
The client wants to extend the existing tiling.

14Oct2010_0587.jpg

Ah, you have to make sure the paint is rock solid and sound enough to tile on, one test is to stick a good length of plumbing tape on it, leave it to stick well (the longer the better IMO) and then pull it off. If the paint comes away with it, you'll have to sand it down first, if it doesn't score it well, you need a good solid key for the adhesive.

Thanks for that.
By the way that's a great name you've got-Mosaic Girl- makes me think of a character you might find in a super hero type comic. You dont have another life where you change into a costume with a big mosaic S on the front of your tunic and fire bits of tiles at villains do you?

Darn, I've been found out!!! Pssssst!!!

Originally Posted by fad

It's a painted wall so I assume it's plaster underneath.
The client wants to extend the existing tiling.

14Oct2010_0587.jpg

That paint is already peeling, got to come off. But don't sand off the mold, breathing the spores in is really dangerous. Use the mold killer of your choice first, be really thorough with it, keep the window open or a dust mask on, and use the mask when you're sanding the paint off, too. I got pleurisy from mold once, and it isn't funny, at all, treat it with due respect. And please do asl more questions or search this forum for the correct adhesive etc...

Originally Posted by fad

Thanks for that.
By the way that's a great name you've got-Mosaic Girl- makes me think of a character you might find in a super hero type comic. You dont have another life where you change into a costume with a big mosaic S on the front of your tunic and fire bits of tiles at villains do you?

that's some imagination you've got there fad!

Originally Posted by doug boardley

that's some imagination you've got there fad!

More a fantasy i think..

bleach works straight away

you need to find the cause of the mould ar it will re establish

More a fantasy i think..

You might have a point Dave.
It brightened up a dull day looking for work. I'd rather be out there working.