If the subfloor is 5 8 or 3 4 you can probably apply tile directly to it with no problem.
Tile on wood subfloor.
First changes in humidity make solid wood shrink swell and cup more than plywood.
Make sure grout joints are completely filled.
A couple options considered are.
According to backer board manufacturers and tile setters installing backer board directly over an old solid wood subfloor is risky for a couple of reasons.
With a trowel scoop out and spread enough mortar on.
Install 1 4 inch cork by thin setting it to the concrete pad then installing the heating system by fastening it to.
While tile can be laid on plywood do not install tile directly onto.
Tips for laying tile on plywood subfloor for flooring use intervening sheets of plywood.
Using cool clean water mix the grout to a lump free non pourable consistency.
Sandynovember 14 2015 at 5 31 pm.
Thinset is the wet base that you first trowel on the plywood to make the tile.
Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor.
It is a good idea to put half inch plywood underlay to strengthen the floor before using modified thin set to put the tile directly on wood.
Using a grout float held at a 45 angle spread grout firmly into tile joints.
Use a large bucket and.
The best method is to refasten the subfloor then add a layer of plywood.
Use thinset with a higher latex content.
Follow the directions on the packaging to properly mix the thin set mortar.
Use the right.