Labels:bulletin board | emerald | monitor | sky OCR: eramic Tile Application Paper- Backed Metal Lath is often used as backer for ceramic tile t unison with Portland Cement as a tile base. Lath types and installation are similar to that of exterior framing. you are constructing ar open frame use paper- backed flat mesh and if it used over solid surface use paper- -backed Self- Furring *This application IS considered "high humidity area for trim items either zinc OF vinyi trims are recommended over galvanized vinyl