direction. • Above ground concrete slabs – maximum of 12’ each direction. • Perimeter joints – movement joints are required where tile- work abuts restraining surfaces such as perimeter walls. • Change of plane, exterior – movement joints are required in all inside and outside corners. • Change of plane interior – move- ment joint required at all inside corners. Others and I believe this is the least used, most often misunder- stood, and most important listing in our Handbook. Lack of cor- rectly installed expansion joints is thought to be – by many – the leading cause of failures in tile industry. With plank installations, special considerations to layout should be considered. Installing expansion joints on the long side is easier, and less noticeable. For example, if you have an installation that is 20’ x 80’ you would need a minimum of at LATICRETE has recently intro- duced seven Masonry Veneer Installation System (MVIS™) online tutorials to the indus- try’s leading e-Learning program LATICRETE University. The new tutorials will provide installers with confidence when designing and installing tile, stone or brick veneers for residential, commer- cial and industrial applications. With the added MVIS online tutorials, installers will be able to trust their complete veneer sys- tem installations are designed to deliver superior, long-term per- formance. Products discussed include sealing tapes, air and water barrier products, various polymer fortified adhesive mortars that provide non-sag performance, latex admix and epoxy adhesives, pointing mortar and sealants. Based on the company’s award- winning ProfitThrough Knowledge (PTK) technical seminars, all LATICRETE University programs are self-paced, making it possible for distributors, dealers, installers and other flooring professionals to effectively learn about new prod- ucts, modern technology and best practices from the comfort of their home or office. In addition to MVIS, LATICRETE University also offers tutorials for Tile and Stone Installation Systems and SPARTACOTE™ Resinous Flooring Systems. www.laticrete.com ASK THE EXPERTS –––––––––––––––––––––––––––––––––––––––––––––––––––– 24 TileLetter | June 2018