bostik primer coming off when scrapping feet on

[average]

bostik special hardsurface primer . one part modified acrylic dispersion primer

 

[Old Mod]

What did you apply the primer to?
Plaster?
Timber?
Backerboatd?

 

[average]

Only if it needs diluting

Some primers must be diluted first.
Others require a build up of different strengths.
Some primers will readily sit on top like a skin if not applied correctly.

This was just straight from the tub

 

[average]

What did you apply the primer to?
Plaster?
Timber?
Backerboatd?

floor tiles

 

[Old Mod]

floor tiles

Tile on tile, that what you mean?
You primed tiles to be tiled with more tiles?

 

[average]

Tile on tile, that what you mean?
You primed tiles to be tiled with more tiles?

primed the tiles for some self leveler on top because some needed leveling because of low spots. Tiles can go onto tiles if primed

 

[One Day]

skinned on the glaze.
Should've used eco primgrip or similar.

 

[average]

skinned on the glaze.
Should've used eco primgrip or similar.

Used what tile store recommended. If its glazed as you say, should i take it all off and redo with different primer.

 

[One Day]

Actually, reading the info it sounds like it should be suitable.
I've never used it though.

 

[Old Mod]

Used what tile store recommended. If its glazed as you say, should i take it all off and redo with different primer.

The best I’ve used for this type of application is called Super Grund from Isomat.
It’s a resin based grit primer.
It’s like painting on neat sandpaper.