Limestone floor

[uptonboy]

Hi people, 1st time on this site, so not really sure wheter this is going to work!!
Got a kitchen floor about 20msq 18mm ply screwed at 300 centres, customer has decided last minute to order 600x600 limestone tiles, can't be more specific on the tile as they are via the wonderful internet and are being delivered on sat, going to the job to see them next week. Was planning on laying them with mapai keraquik and flexi grout but not sure not due to the size. Thought about ditra but customer doesn't want additional height is it a must??
Being doing this for a few years but work on my own so after a bit of guidance, never had a problem with Limestone before but not done ones this large.

[whitebeam]

I would use a decoupling membrane, Ditra/Durobase on the ply for any lateral movement

[MJT]

You say your using a flexi grout if you use mapei it comes as two part kerracolor and fugolastic, its suitable for flexable substrates your tiles need to be sealed prior to grouting.
Always to a test piece on scrap tile, fugolastic tends to make grout set alot faster on surface of tile.
Depending on size of your joints there is large grain and fine.
(Fugolastic is a synthetic-rubber latex additive,instead of water.

[uptonboy]

Thanks for the help, will try to persuade her to install the ditra, not sure if she will go for it though as her 'reliable builder' thinks it's fine but if she doesn't won't give her any promises!!

[doug boardley]

her reliable builder is not the tiler who as to put his name to it tho'!

[uptonboy]

Agree totally, will make the it clear to the customer what should be done, but if she doesn't go for it, not about to walk away from job, wish i could but work isn't as easy to come by at the mo

[Grace'sDad]

Thanks for the help, will try to persuade her to install the ditra, not sure if she will go for it though as her 'reliable builder' thinks it's fine but if she doesn't won't give her any promises!!

A word of caution: Disclaimers and non-guarantees would not hold up in court.
They'll simply say that as you were aware of a potential risk and chose to proceed - you are liable.

Sorry but that's the harsh truth!

[medlar]

A word of caution: Disclaimers and non-guarantees would not hold up in court.
They'll simply say that as you were aware of a potential risk and chose to proceed - you are liable.

Sorry but that's the harsh truth!

give her the disclaimer,point out the faults that can arise doing it the way she wants it done,
then point out the benefits of using a discoupling mat,once she has read it and FULLY understands the consequences,get her to sign and date it
Personally though mate if it were me and she wanted it laid directly onto the ply,i would walk away from the job,
it takes loads of nice jobs to get a good name in this trade,but only 1 bad job to get a bad name

[uptonboy]

good advice will see how it goes

[Daz]

I would insist on a decoupling membrane or walk. As everyone has advised, your reputation is worth more.

Another consideration for you......600 x 600 Limestone is gonna be bloody heavy! You're gonna need a labourer mate, or a lot of sessions with a chiropractor after

[doug boardley]

or don't spred addy farther than you can comfortably reach!!

[Dave]

You say this is a kitchen floor!!..( timber )..Is it a floating floor by chance...?..

[doug boardley]

You say this is a kitchen floor!!..( timber )..Is it a floating floor by chance...?..

with those tiles, it'd float as well as titanic methinks!

[enduro]

You say this is a kitchen floor!!..( timber )..Is it a floating floor by chance...?..

OH no not a floater we hate floaters

[uptonboy]

Hi guys, it's not a floating floor but joisted and screwed, she agreed to go with the ditra so thats good. Used to use bal but been swain by Mapei now thesedays (stockist nearer!!) Keraquick white spf ok??

[Dave]

yes it's fine......