We prepared this second story deck with cement backer board, slightly sloped, over 1 1/8 subfloor. The we applied a liquid membrane specially made for this type of project. Be sure to Flash up the ...
If the tile is gauged, meaning it features uniform thickness from tile to tile, it can be installed using the thin-set method. In this case, the tile setter needs to incorporate a bonded waterproof membrane meeting ANSI A118.10 directly below the tile.
Tiledek Tile Underlayment Waterproof Membrane. Tiledek Waterproofing Tile Underlayment for decks and flat roofs is an integral component of exterior tile assemblies. It provides best-practice assurances of a long-lasting, outdoor tile deck without suffering common failures that result in water infiltration.
Importance of waterproofing under tile, keeping your outdoor living spaces water-tight.. Rooftop decks are incredibly popular, for good reason. They expand living space and increase re-sale value, while providing the homeowner hours of enjoyment in good weather.
Spread exterior tile adhesive along the vertical edges of the deck. Press the tiles into the adhesive, lining up the edges of these tiles with the horizontal tiles already installed.