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dubdad
hi all , looking for a little advicehaving rushed into a big tiling job (for a novice like me!) ie my whole bathroom, i stuffed up on the floor , grout cracked up fairly badlyanyway i am using a flexible quick-set adhesive and grout(both flexible) brand-'bondmaster'i have just done the floor when i got the cracks and decided to hold off on the walls before i know more.tiles 300x600x9mm porcelain laid on 12mm wbp plywood screwed to 20mm floorboards at 150mm centres.3mm tile spacing (floor area is only 1.1mx1.8m) i thought the 12mm ply would b enough having done my kitchen some years ago with 12 even though it is bigger and never a prob.i was probably a bit gung-ho mixing up the grout and added too much water. anyway i was able to cut it out with a stanley after a week- this sound like it was way too soft for a flexible grout to anyone who fixes other peoples mistakes.so to get to the issue to b on the safe side i have purchased another grout: bostik(evo-stik) tecnik sgs(special grout system) which is flexible. being a bit unsure i visited their website for some teccchie info and notice they also do a flexible grout.sorry to b so long winded , what i would like to know is the sgs good for this job or would the flexible be better.any advice greatly accepted