Allow grout to set for 10 20 minutes then lightly clean tile and shape grout joints with a damp sponge.
Tile on wood subfloor.
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.
Tips for laying tile on plywood subfloor for flooring use intervening sheets of plywood.
Using a grout float held at a 45 angle spread grout firmly into tile joints.
While tile can be laid on plywood do not install tile directly onto.
Make sure grout joints are completely filled.
First changes in humidity make solid wood shrink swell and cup more than plywood.
Thinset is the wet base that you first trowel on the plywood to make the tile.
The best method is to refasten the subfloor then add a layer of plywood.
Use thinset with a higher latex content.
If the subfloor is 5 8 or 3 4 you can probably apply tile directly to it with no problem.
Lay down a vapour barrier overtop the concrete pad then fasten 3 4 inch plywood using a ramset to the concrete pad.
Using cool clean water mix the grout to a lump free non pourable consistency.
Use a polymer modified thin set a type of mortar to attach the backer board to the subfloor.
Sandynovember 14 2015 at 5 31 pm.
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.
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.
A couple options considered are.
Wooden subfloors in older houses need to be strengthened and stabilized before backer board and tile are installed.