Start with exterior grade plywood. Spread a polymer modified mortar on the plywood, like Flex Bond, using a 1/4x1/4 notch trowel to spread the thin set. Using ? inch Wonder Board. Put the Wonder Board on the thin set that you just spread out. Screw it down with backer board screws (1-1/4'' long) or ...
Until recently, the Tile Council had specified a standard (for ceramic tile only), based on using test equipment, that was intended to limit deflection of floor sheathing. However, the limit of Span / 360 was often misunderstood as the same limit for framing members specified by the building code.
The same thing that makes porcelain tile porcelain tile is also what makes it suitable for exterior use. THAT IS its ability, or should I say inability to absorb moisture. Porcelain tile has some the lowest absorbency of any tile, That's what porcelain tile is.
Wooden deck tiles are most easily installed over hard, flat surfaces. If you do have surface irregularities, choose a deck tile that will adhere to those irregularities. Make sure your deck is clean of dirt, grime and other objects before installing wood decking tiles.
Glue, called mastic, is the least expensive method for installing tiles. Mastic adheres the tile directly to a wooden sub-floor, to a wooden back-splash or onto a piece of plywood.
IPE Deck Tiles - Tile Tech Pavers. Tile Tech's IPE Deck Tiles are designed for constructing raised wood decks over ... to make sure that the wood deck slats hold perfectly onto the wood frame. ... is designed for IPE Deck Tiles to lock down & lay level over a built up roof decks.