OP
One Day
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This sounds like another case of industry laziness / slowness.
It's been years since ply standards changed and yet https://www.tilersforums.com/forums/tile-adhesive/ manufacturers (and TTA???) still are not making clear what we should be using their products on other than saying like stuck record "WBP ply".
Billski - sounds like you need to take your ply supplier to task on this?
I tried last year to get certificates from my timber supplier for 40 sheets of wbp ply needed for a large floor overlay. They couldn't get them (or wouldn't) so I ended up using Hardibacker - and everyone knows how much I hate the stuff!
It's been years since ply standards changed and yet https://www.tilersforums.com/forums/tile-adhesive/ manufacturers (and TTA???) still are not making clear what we should be using their products on other than saying like stuck record "WBP ply".
Billski - sounds like you need to take your ply supplier to task on this?
I tried last year to get certificates from my timber supplier for 40 sheets of wbp ply needed for a large floor overlay. They couldn't get them (or wouldn't) so I ended up using Hardibacker - and everyone knows how much I hate the stuff!