Tiling a Deck | Professional Deck Builder | Hardscape, Staircases .
1 Dec 2014 . Fiberglass grating is a sturdy, drainable substrate option for exterior . That's a shame, because stone or ceramic tile is well-suited for both indoor and outdoor use, . Plywood and concrete are conventional substrates, but I've seen too . are wedged into the grid squares, then fastened to the framing with.