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Discuss Adhesive not sticking in the Adhesive and Grout area at TilersForums. USA and UK Tiling Forum

OP
O

One Day

Please checkout the following advertisement.
Your floor tile failure was caused by the following factors.
Individually they could have caused failure, but combined it was a certainty.

Chipboard floor - can be tiled onto but only with very special adhesives and with 100% coverage to tile and floor.

Heated floor - can be tiled easily enough but must have an uncoupling membrane such as Schluter Ditra, to separate the https://www.tilersforums.com/forums/tile-adhesive/ bed and tiles from the expansion/contraction stresses caused by the heating - as seen readily in the https://www.tilersforums.com/forums/tile-adhesive/ cracks in your photos.

PVA - simply put, this forms a skin and prevents (not aids) adhesion.
Acrylic primers, or SBR only should be used.

C2 https://www.tilersforums.com/forums/tile-adhesive/ has polymer added to bond to porcelain (standard sand and cement won't bond) but does not have anywhere near enough polymer to increase the flexibility required for a heated, timber floor.

Timber Floor - if your floor is "floating" as I suspect it is, then 90% of professional tilers will just walk away from them. There is just too much risk of movement, both deflection (bounce) and lateral (sideways) movement. They can be tiled. but not without a lot of prep, careful checking and special materials.

Tiles aren't back-buttered. - It is recommended that large format tiles, particularly with waffle backs, are back-buttered with a thin layer of https://www.tilersforums.com/forums/tile-adhesive/ to aid "bedding in" and ensuring a solid, even bond. It also removes any risk from tiles with dusty backs.

Hope that helps explain what has gone wrong!
 
OP
F

Flintstone

Don’t let him get away with no.1 in the excuse book, ‘I’ve been doing this 30 years and never had a problem’
 
OP
G

GemmaWells88

Thank you so much for your advice, it’s much appreciated!! I’ll go back to the tiler although I’m pretty sure he is going to deny any wrong doing so it’s probs going to cost me an absolute fortune to either fix or replace
 
OP
G

GemmaWells88

The chipboard sucked all of the moisture out of the https://www.tilersforums.com/forums/tile-adhesive/. Thermal burst? Did that occur because the https://www.tilersforums.com/forums/tile-adhesive/ wasn't mixed with the correct hydrothermic lance causing an over fluctuation of the stickleum molecules or is it just BS?

Sorry I have no idea what this means lol
 
OP
P

Perry

Gemma sorry you have been duped by a so called tiler. There are lots about I am afraid. But It's nothing to do with being old. Most of the older guys on here have a lot more idea than most of the younger ones. Lots of experience with a little age. Pete.
 
Last edited by a moderator:
OP
O

One Day

Gemma sorry you have been duped by a so called tiler. There are lots about I am afraid. But It's nothing to do with being old. Most of the older guys on here have a lot more idea than most of the younger ones. Lots of experience with with a little age. Pete.

I'm 42. Which category do I fall into?! :rolleyes:
 
OP
O

One Day

Still a wet behind ears youngster....:)

baby_0.jpg
 
OP
J

Just Rizzle

the only https://www.tilersforums.com/forums/tile-adhesive/ that use to stick to chip board was the good old bal flex the black rubber based https://www.tilersforums.com/forums/tile-adhesive/ would stick like s,hit to ablanket.
 

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