Which adhesives to use?

[alexma]

Hi Everyone. This is my first post... I am tiling a bathroom, walls and floor. Just been re plasterboarded (D & D) & primed with SBR. Shower area boarded with Showerwall. My tiles are ceramic 400 x 250 x 10mm. I've been reading the posts & am worried about the 'weight issue' on plasterboard. Do I have problems here? Which adhesive do I use? The room is only 6'2" x 6'2". The floor is newly laid 18mm ply well secured, with extra noggins and I'm using 305 x305 x10mm granite tiles. Do I need to prime the floor, and which adhesive to use. Many thanks in advance Alex

 

[Martyn Leeds]

Hi, welcome.

DIY??

By the sound of it the walls will be ok, presume 'showerwall' is some sort of aquaboard taped/tanked etc...

For the floor I'd be overboarding the ply with something a bit more suitable.

I'd be using a slow-setting flexible adhesive on the walls and Granirapid, or a similar 2 part for the floor.

As for priming, the adhesive manufacturers instructions will say

 

[thompsonbrown]

Plasterboard takes about 24kg per m2. If you are unsure about the weight you could always mechanically fix the plaster board as well. ( screw through the plasterboard where the board has been d&d use washers with screws)
Ply on the floor will need primed, but consider using tile backer board on top of the ply.
Adhesive- Single part flex for the walls and a ultra-flex for the floor.

 

[widler]

Weights fine,plasterboard takes up to 32kg not 24,think above poster has got mixed up,only if it is bare not skimmed mind

 

[nybor62]

white webber set plus for me good adhesive imo for walls

 

[alexma]

Thanks Martyn, Yes a DIYer!! Yes the Showerwall is indeed a prefaced aquaboard. As for the floor the only overboard I know of of 'No More Ply' Is this what you are referring to? Alexma

 

[Ian]

Thanks Martyn, Yes a DIYer!! Yes the Showerwall is indeed a prefaced aquaboard. As for the floor the only overboard I know of of 'No More Ply' Is this what you are referring to? Alexma

There are a few cement boards, no more ply is one, hardiebacker 250 is another.

 

[widler]

white webber set plus for me good adhesive imo for walls

Eeeeekk fast set for a diyer eeeekkkk
( forgive me nybor if its not fast set,only used webber once)
Id use tilemaster standard white, good stuff

 

[Ian]

Eeeeekk fast set for a diyer eeeekkkk
( forgive me nybor if its not fast set,only used webber once)
Id use tilemaster standard white, good stuff

Set plus is a slow set mate, really similar to tilemaster standard.

 

[widler]

Set plus is a slow set mate, really similar to tilemaster standard.

See why call it set plus ! Thats just confusing .
I bet its that webber i used,it took forever to set. Infact is it a yellow and black bag.
Yes good stuff , im using tilemaster standard at the mo, good stuff too

 

[Ian]

See why call it set plus ! Thats just confusing .
I bet its that webber i used,it took forever to set. Infact is it a yellow and black bag.
Yes good stuff , im using tilemaster standard at the mo, good stuff too

Yeah it confused me when I first saw it. The weber rapid sets have the word rapid in the title. I'm used to it now I've been using their gear for a year or so.

 

[alexma]

Cheers Bri, So I'll o/board with hardiebacker. Can you give me tips on how to secure it down? ie screw & glue, or what? Will I need to o/board under the shower tray (easyplumb)? Thanks again. Alex

 

[Ian]

Cheers Bri, So I'll o/board with hardiebacker. Can you give me tips on how to secure it down? ie screw & glue, or what? Will I need to o/board under the shower tray (easyplumb)? Thanks again. Alex

I've got the perfect thread for you Alex, let me just go and find it.

 

[Ian]

http://www.tilersforums.com/tiling-forum/58805-installation-hardiebacker-250-500-a.html

 

[johnplum]

white webber set plus for me good adhesive imo for walls

Requires their additive for timber floors.
From their site: [h=3]Constraints[/h]weber AD250 admixture is required when fixing tiles to wooden substrates.