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what

What is the thinnest grout line on a large porcelain floor tile you can get away with without running into problems?
 

peteablard

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I've done 2mm on floors before but as mention above BS minimum is 3mm. It depends on the quality of the tile, some can be 2-3mm different from others in the same batch!
 
O

One Day

2mm on a high quality rectified tile, but in my opinion anything 750x750 and above looks better with 3mm.
 

Kyle Knowles

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2mm on a high quality rectified tile, but in my opinion anything 750x750 and above looks better with 3mm.
I do 2mm regularly on floors with rectified porcelain and never had a problem but I'm just a sprout compared to some of these oldies :tshirt:
 

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