Countertop laminates are typically made from nonporous materials.
Thinset over laminate countertop.
Victoria i would take the tile off and sand down the thinset that is under the tiles so that it s not such a rough surface and will adhere better.
If you want to tile over a laminate counter the counter has to have a flat edge.
To safely tile over laminates the following generally should be true.
Apply the thin set on the countertop in a v or w motion with a trowel forming a thin layer.
The substrate below the laminate must meet the l 360 specification.
The laminate cannot be peeling or chipped off and needs to be in decent condition.
Even better it installs as easily as any other tile though cutting it.
The laminate must be well attached.
The good news is that granite makes a beautiful and durable countertop.
Carefully place the dita over the adhesive.
One alternative to full countertop replacement is to tile over the laminate.
I say thin layer but it should be thick enough to allow adhesion do this is sections as you apply the ditra.
I started by sanding the counters with 60 grit sandpaper.
If the laminate and substrate are in good condition you can tile directly on top of the laminate.
While not a perfect solution to all of your countertop woes tiling over laminate just might be the fast inexpensive solution you need to carry your kitchen through for a few more years or to aid in a house sale.
Installing granite tile countertops over laminate.
For counters the substrate should be more substantial than just 3 4 plywood with a layer of laminate.
May 8 2017 at 7 43 pm.
Use a palm sander or an orbital sander with a 50 grit paper to rough up without gouging the existing laminate countertop image 5.
Use a flat blade to spread the membrane well ensuring it is air tight.
In order to make thin set adhere to that surface make the laminate more porous by using an electric sander to sand its surface.
Sanding the countertop surface will help the tile stick better.