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Discuss Correct hardness of cured Bal fastflex??? in the Tiling News; Tile News area at TilersForums. USA and UK Tiling Forum

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Hi,
Following a small water leak that led to the bathroom floor needing to be replaced I laid a new marine ply floor, gave it two coats of Bal prime apd, laid new electric underfloor heating followed by Bal fibrebase self smoothing compound, I then used Bal single part fastflex to lay the new tiles. That was 24 hrs ago.
I've just checked them and the https://www.tilersforums.com/forums/tile-adhesive/ doesnt seem to have hardened as much as I thought it might, it's still possible to push a knife into the https://www.tilersforums.com/forums/tile-adhesive/, it's about the same density as hard rubber.

Can anyone tell me if this is correct?
 
OP
S

Spud

It will get harder Alan but it won't go off as hard as SPF sounds like it is still curing to me
 

Andy Allen

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should be dry enough to walk on after 5 hours......but it dosnt go rock hard, more rubber crumb texture..
 
OP
A

Alan P

:oops: I've just checked the bag and it was out of date the end of August!!
Only bought it Three days ago!!
I did think about checking before using it but the bag came wrapped up in a tight plastic bag (bought online) so I just cut the top off
 
OP
A

Alan P

Just realised the bag was three months out of date which is annoying as I only bought it a few days ago, I knew I should've checked before using it but it was in a tightly wrapped plastic bag so I just cut the top off. Bought it online - lesson learnt!!!
I'll try some heat as you suggest, the room is a bit cold
 
OP
S

Stef

What happens to https://www.tilersforums.com/forums/tile-adhesive/ when it's "out of date"?
It's not as if we are eating it!!
Seriously though can anyone tell me what happens to a bag that's out of date as I've never known.
 
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Alan P

Well it turns out the date on the bag is a manufacturing date not a use by date so it should be ok.
Still a bit concerned that it hasn't hardened more than it has tho. I can split a pea sized piece of the https://www.tilersforums.com/forums/tile-adhesive/ with my finger nail quite easily.
 
OP
O

One Day

It stays soft - that's it's nature. Don't worry.
Despite the sentiments expressed on here it's a top notch https://www.tilersforums.com/forums/tile-adhesive/ and it's never failed me.
 

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