Start by telling us you mean by "subfloor is below standards".
Need to know the type of subfloor, how thick, what size and style of the joist and what's the free spans
That style of tile needs a dead flat non flexible surface.
Tile boards adds almost no added strength to the floor.
Need to know the type of subfloor, how thick, what size and style of the joist and what's the free spans
That style of tile needs a dead flat non flexible surface.
Tile boards adds almost no added strength to the floor.