Building Design and Construction Handbook - Merritt - Ventech!

WALL, FLOOR, AND CEILING SYSTEMS 11.75
FIGURE 11.29 Ceramic tile construction. For interior floors: (a) portland-cement mortar
bed on a concrete subfloor; (b) bond coat of dry set or latex portland-cement mortar on a
concrete subfloor; (c) epoxy bond coat on a concrete subfloor; (d) reinforced mortar bed on
a wood subfloor. For an outdoor walkway: (e) portland-cement mortar bed on a concrete base.
For roofs: (f) reinforced mortar bed on crushed stone. For interior walls: (g) cement mortar
on masonry or concrete; (h) dry set or latex portland-cement mortar on masonry or concrete:
(i) cement mortar on metal lath attached to studs or furring.
11.29.3 Mortars and Adhesives
For setting ceramic tile, portland-cement mortar is the only type recommended by
the Tile Council of America for a thick bed. Other mortars and adhesives should
be used only for thin beds. Setting materials such as epoxies and furans that do
not contain portland cement offer special properties but are more expensive than
cement-based mortars.
Portland-Cement Mortar. This is suitable for most surfaces and ordinary installations.
For floors, the mix may be 1 part portland cement and about 6 parts sand.
For walls, about 1 ⁄2 part of hydrated lime may be added to the floor mix. The bed