b'TECH TALK TECH TALK the tile trades. Sometimes these are is sponsored by referredtoasfl mem- uid-applied branes.Oncecured,theseANSI A118.10 membranes are designed to provide a continuous membrane that tile can be directly bonded to.TheWetAreaGuidelinessec-tionintheTCNAHandbookis H.B.FullerConstructionProductsaveryusefulforunderstanding introducesTECUltimate6Plustherequirementsforwaterproof Polymer Modi ed Mortar speci callymembranes. In addition to discuss-designed for installing gauged por- ingtheenvironmentalexposure celaintilepanels/slabsandlargeclassifi cation, this section also dis-heavytiles(LHT).TEChasdevel- cussespropersloperequiredfor opedUltimatewet areas, as well as the different 6PlusMortartotypesofdrains,suchasclamp-meettheparticu- ing drains and integrated bonding larchallengesoffl angedrains.Oneofthemost installingexcep- important topics discussed in this tionallylargethinsectionisperformingthewater tile panels and LHTtest, commonly called a fl ood testoorsor 24-hour test. Testing the ability onor walls. Thenewmortar offers extreme ver- for the area to properly hold water satility. TEC Ultimate 6 Plus Mortar hasauniquesetoffeaturesthat allows grouting in six hourseven when installed over the most imper-vious substrates such as uncoupling membranes.Easy-to-useUltimate6 PlusMortarhasanextendedpot life of two to three hours and open timeof50-60minutes,allowing installersmuch-neededtimetoget full coverage and make adjustments. While this TEC mortar is formulated forgaugedporcelaintilepanels/slabs and LHT, it also works well on traditional tile for bothoor and wall applications.Many TCNA Handbook methods include TECUltimate6PlusMortarthe possible use of a membrane, leav-exceedsANSIA118.4TEanding the design professional to determine A118.11. www.tecspecialty.com. whether one is needed, based on the expected water exposure.76 TileLetter | December 2019'