Laying 600x600 tiles in bathroom Page: 2

[DavieA]

Starting a bathroom next week laying 600x600 tiles on both floors and walls. For the floor ply has been layed and the floor is good and level, am planning on using solid bed 10mm towel but was wondering if its poss to use felxi tubbed addy as the floor isnt that big?
Also the walls, should i be using the same trowel size for the walls or smaller, solid bed for around the bath and for easy use tubbed addy ?

Not too sure, Cheers

 

[DavieA]

Hi Guys, a bit more info the floor is chipboard with 9mm ply overlay screwed to death by the joiner. Cheers for the input on not using tubber gear and will defo single part flexi, on that note is it best to use a solid bed for tiles that size on the walls too?

 

[sWe]

use x7 a fair bit. probably best gear i have used on walls. is the plus version flexi as i have only used normal x7?

Aye, it's flexi, and it's got better coverage and adhesion. Over here, X7+ is Ardex's standard adhesive. They don't sell regular X7 any more; they phased it out about a year and a half ago, IIRC. Their premium adhesives are similar to the 5xxx and 6xxx series adhesives they market in the UK. The wall version is called X77 and the floor version is called X78. They replace and improve upon an older adhesive they called X701. The wall version has the the best "hanging" ability I've ever seen, and I've yet to have to backbutter a tile when using the floor version.

 

[sWe]

Hi Guys, a bit more info the floor is chipboard with 9mm ply overlay screwed to death by the joiner. Cheers for the input on not using tubber gear and will defo single part flexi, on that note is it best to use a solid bed for tiles that size on the walls too?

Don't confuse solid bed with flat bed.

A solid bed refers to full or near full coverage and adhesion of the tiles onto the substrate. In other words, there are no air pockets or gaps in the adhesive. It's best achieved with some sort of notched trowel, as the notches allow air to escape as you press the tile into the adhesive.
The opposite would be dot and dab or some such, and no serious tiler would dot and dab tiles.

A flat bed, which is made with a flat trowel (no notches) can be solid in the sense that it covers the substrate completely, but it's harder to achieve complete coverage of the backs of the tiles, especially when they're large. That means air bubbles, which compromises the strength of the tiles themselves, and their "sticking" strength.
It's also harder to control the thickness of the adhesive bed using flat bed trowels.

The only times I ever use flat bed trowels is when I'm applying screeds, or really small mosaics.

 

[DavieA]

Thanks for the info sWe, am using a 10mm solid bed U notch trowel for walls and 13-15mm solid bed U notch for the floor and as u have suggested a single part felxi addy and flexi grout too. Finally after all our the advice ive received think im on the right track??

 

[DavieA]

Sorry this post is still on the go but something just poped into tile merchant and the guy hat works there said to use Rapidset flexible, whats everyones thoughts on Rapidset flexible and is it better to use than single part flexible on the large format tile bearing in mind there is electric UFH ?:huh2:

 

[wayne]

rapidset will be fine if you are fast. in this weather it will go off in no time. use single part flex if i were you

 

[DavieA]

Cheers wayne was hopeing ud say that, and is that ok with UFH you know with the temp changes?? Not wanting cracking etc

 

[wayne]

yes it will be fine just the same gear but one sets in 2-3 hours and the other about 12-16 hours