What to use as ceramic tile underlayment? How about saying tile backerboard and leaving it at that?
Really, if you ever have questions about whether a material can be used as tile underlayment, backer board is always your answer. It can be installed on top of just about anything, and tile loves it.
But ours is not a perfect world, so we need to consider whether tile can be installed on sheet vinyl flooring, tile vinyl, plywood, concrete slab, and so on.
- Best Tile Underlayment? Backerboard--specifically DensShield by Georgia-Pacific. That's my opinion.
- Worst Tile Underlayment? OSB wood. Drywall. The list goes on.
Image: James Hardie Company