Is it appropriate to install tile backerboard over a laminate countertop?
Question:Instead of tearing off the old laminate kitchen countertop and installing a plywood base and tile backerboard on top, is it appropriate to screw/glue the tile backerboard directly onto the laminate countertop for a tile installation?
Answers:
Of course you can do it and it'll probably last for a long time but I would NOT do it. As another pointed out the material under the laminate is probably flake board. you don't want that under your tile job. Tile, grout, concrete backer board and thinset, not one of these are "waterproof". Water and flake board don't mix. Pulling it and putting down some plywood is the best
If the laminate countertop is not coming loose all you need to do is sand the countertop to rough it up. Then install the tile directing on the countertop. Hope this helps.
Yes. While you can install the tile directly to the laminate top, I'd worry about it delaminating at some point. The laminate top is really just a thin piece of laminate over particleboard. That particleboard makes a good substrate to attach your backerboard. Use thinset cement and screwsto secure.
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