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Posted: Tue May 23, 2017 7:24 am
by Gin'll Fix-it
Hi all,
Laying 60 x 60 light grey granite tiles (around 20SqM). I've been told that i need to use a bond bridge (SBR + cement) on the back of the tiles before laying. Is this really neccessary. I would prefer to avoid the mess/potnetial contamination of using it and am concerned if ever I wanted to relay the tiles in the future they would be very difficult to re-use.
Any guidance - pros/cons appreciated!
Nice to see some good weather!
Posted: Tue May 23, 2017 9:43 am
by Tony McC
Yes. Necessary for a professional standard of work.
Posted: Fri May 26, 2017 8:38 am
by Gin'll Fix-it
Ok thanks. A question on SBR and cement mix that i can't seem to find an answer on. How long does it remain workable after mixing? i.e. how much should I mix at a time?
Thanks for the help! 
Posted: Fri May 26, 2017 10:15 am
by seanandruby
Posted: Sat May 27, 2017 8:00 am
by lutonlagerlout
we have just done 26m2 of silver grey granite
I use a wettish bed with 150ml of SBR in each mix of the belle mixer
we also after advice thoroughly wetted each flag before it was laid to the line
as of yesterday all rock solid
cheers LLL
Posted: Sat May 27, 2017 9:05 am
by lemoncurd1702
Without a bond bridge won't the colour of the cement draw through the slab. Interested to know as I will shortly be laying light grey granite.
Posted: Sat May 27, 2017 1:22 pm
by Tony McC
If that is the 603 granite, then you *definitely* need a bond bridge, not so much for the adhesion but to prevent that godawful Reflective Staining which plagues that particular stone.
Posted: Sun May 28, 2017 10:39 am
by lutonlagerlout
well we soaked all the flags before we started and as each flags was about to be laid we then soaked it again with clean water, all solid and no reflective staining as yet (full bed)
not my choice of flags as wanted to lay my all time fave the jura but customer had the choice and wanted these
will update on any issues that arise
cheers LLL