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Discuss Full bodied or grade 5/3 ? Porcelain in the Canada Tile Advice area at TilersForums.com.

Filip

TF
43
498
Midlands
How do I know what grade my Porcelain tiles are I have been read on here about different grades.
I have some Porcelain tiles but do not know what the grade is.

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Last edited:
T

Tile Shop

HAHA.... I mean.... oh dear :)
It is something they should be able to tell you in store. At the very least their head office would be sourcing this information before putting it on sale. It will be there, you just need to dig it out of them :)

If not, have a look for the factory contact details on the box, go to their website and see if they have a downloadable catalogue as it may have what you need. If they don,t contact them direct, give them the info off the label and they should be able to tell you.
 
T

Tile Shop

Wearing grade has nothing to do with whether a tile can be used outside or not. As a general rule, 95% of most porcelain tiles 60x60 or less are frost resistant/frost proof and being covered over is an advantage.

The grade will however dictate how much foot traffic it will take and how much you need to protect it from grit and scratching dirt, and outside that won't be easy. In a domestic garden I would not suggest anything less than grade 4 porcelain but would always push for a 5. And to be honest, I can't remember the last time I saw a porcelain, glazed or otherwise of grade 3 or less..... (scrap that, yes I can.... grade 1..... jet black glazed.... and it still gives me the occasional night terror)

Again, Topps is your first port of call for the grade and you need to ensure they recommend them for external use..... Or buy a new range of tiles that you are confident in.
 

Filip

TF
43
498
Midlands
CTD it is then my very local one is inside jewsons. Thank you

I was looking at the water absorption test which made me think about grades but after reading it I think I best not go there !
@Paul C. thanks for the frost info and the angle on the surface hardness, the area gets aluminium deckchairs stored there and we retreat the outside table under there went it rains on our bbq.
The area at the moment is concrete with no DPC and been covered for 18 years no damp that I can see apart from the section nearest the exposed open side where the rain blows under.
What is the best way forward as to adhesive (Tilemaster is local) I have a feeling you are going to tell me I need some sort of decoupling membrane but I don't want to be adding any height as that will cause me other problems.
 

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