When installing new stone ceramic or porcelain tiles over a vinyl tile subfloor thinset is definitely the way to go.
Ceramic tile over tar paper.
I am about to tile an 80sqft floor with 12 tiles and i have a.
Layng tile directly on a wood subfloor regardless of how stable you think it is is never a good idea simply because it moves enough to break your glue bond and grout lines.
Caulk all seams before tilework.
Hardie backer over tar paper.
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Putting roofing felt over the seam is a band aid that will serve no purpose.
Installing over wood.
In addition underlayments can provide thermal and sound insulation as well as a cushion that makes walking on the floor more.
Chipboard cushioned vinyl flooring particle boards of any type oriented strand board osb interior grade plywood tongue and groove planking and hardwood floors are unsuitable substrates for direct installation of ceramic tile.
Archive hardie backer over tar paper tile forum advice board.
For wood and laminate flooring the underlayment may provides moisture protection.
As you install each sheet of ceramic tile backer board leave a 3 16 or 1 4 inch space between sheets.
For ceramic tile flooring laid over concrete it separates the tile from the concrete pad and prevents cracks damaging the tiles.
These cracks will be caulked with 100 percent pure silicone caulk before you begin to install ceramic.
To install ceramic tile over wood the wood surface must be structurally sound enough to support the weight of the tile.
When the tile is installed the vapor barrier or tar paper will be recessed 1 4 inch from the finished edge.