Tiling an overhanging ceiling

[wayne]

Got a shop wall and overhang to tile Tuesday which is shaped like an upside down L. Tiles are hexagon 8mm ceramics 150x150. What's the best adhesive to fix tiles with? I suppose it's just like tiling the top of a window reveal but on a larger scale. It's all been clad in plasterboard ready to go which i think should be fine for that size tile.

 

[White Room]

As it's an external overhang I would'nt even consider plasterboard...

 

[AliGage]

You'll get better grab on a backerboard too?

 

[wayne]

It's internal in a coffee shop. Can probably overboard it with backerboards when I get there. Thought plasterboard would be ok as tiles not heavy.

 

[Rookery]

I've found Ardex X77 to have great grab.

 

[Peter]

Would be inclined to cement board over it and use 2 part.

 

[AliGage]

Out of interest, why a 2 part?

 

[Perry]

Plaster board good but don't prime it

 

[TJ Smiler]

8mm 150x150............... Surely White Star could handle this? i always find the grab on tubbed gear is much better than powder.

 

[High Peak Tiling]

Plaster board good but don't prime it

Slightly off topic, why not prime it ?

 

[Stef]

Slightly off topic, why not prime it ?

I was wondering that also.

 

[Peter]

Out of interest, why a 2 part?

Didnt read that it was 6x6, if it was 600s then I'd use a two part.

 

[judge]

Bal mosaic fix would do the trick

 

[Perry]

Slightly off topic, why not prime it ?

you don't need to and will give you more suction, sometimes its best to and sometimes its best not to. And knowing that comes after a few years of experience.

 

[Stef]

If I'm using Weber adhesive then I prime as it states on the bag that plasterboard must be primed.
Check manufacturers instructions before fixing though..

 

[High Peak Tiling]

you don't need to and will give you more suction, sometimes its best to and sometimes its best not to. And knowing that comes after a few years of experience.

O ok, so in this you mean the primed surface won't enhance the adhering ?
I also use weber Stef

 

[TJ Smiler]

I don't prime P/Board either...... Unless i'm gonna tank it out for a wet area.

 

[Perry]

O ok, so in this you mean the primed surface won't enhance the adhering ?
I also use weber Stef

You must make sure you have a suitable adhesive for what you need. When I tile on ceilings with bricks or 600 x 600 porcelain I find most adhesives are not suitable and i wouldn't prime it or use Weber.

 

[High Peak Tiling]

I don't prime P/Board either...... Unless i'm gonna tank it out for a wet area.

What's your reAson for not priming p/board smiles?

 

[TJ Smiler]

What's your reAson for not priming p/board smiles?

Hi mate, no reason in-particular I just never thought there was a need to as there is nothing in the paper of P/board that the adhesive don't like, it's not touching the gypsom, i'll prime it if it has got dusty but other than that i don't do it...... hope i aint mistaken as i aint going back on all them jobs now now :lol:

 

[High Peak Tiling]

Hi mate, no reason in-particular I just never thought there was a need to as there is nothing in the paper of P/board that the adhesive don't like, it's not touching the gypsom, i'll prime it if it has got dusty but other than that i don't do it...... hope i aint mistaken as i aint going back on all them jobs now now :lol:

It won't be a drastic problem... Ha ha
I just follow Weber's priming for most things

 

[TJ Smiler]

Also just out of interest i was talking to Webber Tech department last week and they said that when using there Levelflex SLC onto ply-wood that it is better to not prime it first..... that was news to me. They said it does no harm to prime but it gains a better bond strength without the primer.

 

[TJ Smiler]

It won't be a drastic problem... Ha ha
I just follow Weber's priming for most things

Phew.... and relax lol

 

[jonnyc]

bal mosiac fix