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Discuss Dittra mat not sticking down in the Tiling Advice | Tile Forum area at TilersForums. USA and UK Tiling Forum

M

marios

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i have a level sand cement screed floor and used Ardex x7r tile https://www.tilersforums.com/forums/tile-adhesive/ to stick down Dittra mating. It went down very well felt and looked good. Until my leg caught the corner of the matting and lifted it up a little bit, I then noticed that there was no bond strength between the matting and the https://www.tilersforums.com/forums/tile-adhesive/. I very slightly pulled on the matting and it all came up very easily with no https://www.tilersforums.com/forums/tile-adhesive/ residue on the underside of the mat.
I then decided to take it all up.
I then carried out a test where I left the matting down until the next day where it dried, I pulled on the mating again it had not bonded.
I have tried with other adhesives and I cannot get the Dittra to stick, it just pulls up.
 
Reaction score
108
For me, X7R is a very rapid rapid. So perhaps its skinned over before its been stuck..

Then you've used other adhesives, so maybe you're mixing it too stiff ??
 
OP
B

Blunt Tool

As above. Wet https://www.tilersforums.com/forums/tile-adhesive/.
As above needs to be fresh and wet, mat needs to be pushed down with trowel or vinyl floor roller, most powder flexi adhesives need days to fully dry before ultimate strength is achieved and I wouldn't be trying to pull mat up before then.
 
OP
M

marios

Thanks to everyone fir your replies, yes x7r is very quick, but it has not skinned over. I have used x77 and rapid flex from nicobond and others.
I have mixed up the https://www.tilersforums.com/forums/tile-adhesive/ quite wet as well and stuck down samples.
When I place the matting on the https://www.tilersforums.com/forums/tile-adhesive/ the https://www.tilersforums.com/forums/tile-adhesive/ sticks to the matting but when the https://www.tilersforums.com/forums/tile-adhesive/ dries it comes off the fleece leaving no residue.
I have used Dittra before and it feels good going down, I have never tried to lift it until now.
If anyone is interested I suggest you stick some pieces down as a test and see how easy they lift off.
I don't think it ever sticks down it is just bedded in.
 
OP
U

Unused Account 1

Make the https://www.tilersforums.com/forums/tile-adhesive/ to wet ,6mm trowel then sticks like rubbish ,i use a piece of 4x 2 to push down all over
 

Chris Gibbs

TF
Arms
Reaction score
177
Thanks to everyone fir your replies, yes x7r is very quick, but it has not skinned over. I have used x77 and rapid flex from nicobond and others.
I have mixed up the https://www.tilersforums.com/forums/tile-adhesive/ quite wet as well and stuck down samples.
When I place the matting on the https://www.tilersforums.com/forums/tile-adhesive/ the https://www.tilersforums.com/forums/tile-adhesive/ sticks to the matting but when the https://www.tilersforums.com/forums/tile-adhesive/ dries it comes off the fleece leaving no residue.
I have used Dittra before and it feels good going down, I have never tried to lift it until now.
If anyone is interested I suggest you stick some pieces down as a test and see how easy they lift off.
I don't think it ever sticks down it is just bedded in.
I had the same problem. they recommend a 4mm notched trowel, but personally I found a 5mm better. sounds daft I know but the notches are further apart and the bed stays wetter a bit longer. worked for me anyway. I'm not actually a fan of ditra, much prefer the durabase stuff. now that sticks!
 

Sean Kelly

TF
Arms
Reaction score
647
Ardex AF200 and a roller is all you need. No need to prime the floor, but if you do, then you have to wait till it is really dry. AF200 should come with a free trowel, but a 3mm will be just fine. Stick down the mat and go over it a few times with the roller. Then tile straight away (i.e. the glue is tacky for hours, but you can tile straight away).

28_09f21.jpg


Amtico-roller.jpg
 
OP
M

marios

Make the https://www.tilersforums.com/forums/tile-adhesive/ to wet ,6mm trowel then sticks like rubbish ,i use a piece of 4x 2 to push down all over
Sorry it don't stick irrespective of how wet the https://www.tilersforums.com/forums/tile-adhesive/ is, if you use a 4x4 trowel it lays more flat. Have you ever tried to lift it?
 
OP
M

marios

Ardex AF200 and a roller is all you need. No need to prime the floor, but if you do, then you have to wait till it is really dry. AF200 should come with a free trowel, but a 3mm will be just fine. Stick down the mat and go over it a few times with the roller. Then tile straight away (i.e. the glue is tacky for hours, but you can tile straight away).

28_09f21.jpg


Amtico-roller.jpg
Yes AF200 is very good and that sticks it down very well,mug it's only meant fir wooden floors and it cannot deal with water. If you say have a washing machine leak it will all come off
 
OP
M

marios

I had the same problem. they recommend a 4mm notched trowel, but personally I found a 5mm better. sounds daft I know but the notches are further apart and the bed stays wetter a bit longer. worked for me anyway. I'm not actually a fan of ditra, much prefer the durabase stuff. now that sticks!
When the Dittra is cut to length and the https://www.tilersforums.com/forums/tile-adhesive/ is spread straight away and laid there is no open time issue.
Thanks
 
OP
M

marios

When the Dittra is cut to length and the https://www.tilersforums.com/forums/tile-adhesive/ is spread straight away and laid there is no open time issue.
Thanks
Does it stick, ?
Try putting a sample down and see how easy it comes up,
I would be very interested to know
Thanks
 
OP
M

marios

For me, X7R is a very rapid rapid. So perhaps its skinned over before its been stuck..

Then you've used other adhesives, so maybe you're mixing it too stiff ??
I have tried mixes with different consistency and I the same, I have even tried buttering the fleece it looks good but then when the https://www.tilersforums.com/forums/tile-adhesive/ dries it just comes off, I would have expected it pull off the fleece
Thanks
 

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