b'TECH TALK TECH TALK ments. For example:is sponsored by oWithairfi orwaterltration fl ow rates set above the cur-rent thresholds, perhaps PPE requirementscouldbeless restrictive.oSome tasks are currently lim-ited to outdoor use only. With H.B.FullerConstructionProductsdata from indoor operations, introducesTECUltimate6Plusitmaybepossibletoshow Polymer Modi ed Mortar speci callythatoperationsconducted designed for installing gauged por- indoors, or in enclosed areas, celaintilepanels/slabsandlargeare also below the action level heavytiles(LHT).TEChasdevel- of the rule for certain tasks.opedUltimateBeyond adding tasks to Table 1, 6PlusMortartocompanies can also use this oppor-meettheparticu- tunity to clarify issues they identifi ed larchallengesofthrougheffortstoimplementthe installingexcep- rule. For example, some companies tionallylargethinhave raised the question of how to tile panels and LHTdifferentiate between a grinder andoorsasaw,especiallywhenthesame onor walls. Thenewmortar offers extreme ver- piece of equipment can be used in satility. TEC Ultimate 6 Plus Mortarboth capacities. Grinders and saws hasauniquesetoffeaturesthatare currently treated differently on allows grouting in six hoursevenTable 1. While presumably the dif-when installed over the most imper- ference lies in whether a saw blade 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 wallScoring and snapping is not currently applications.listed in Table 1, however in their FAQs, TECUltimate6PlusMortarOSHA lists the use of score and snap cut-exceedsANSIA118.4TEandters (or tile splitters, as they refer to them) A118.11. www.tecspecialty.com. as one of the activities not expected to expose workers to silica levels of concern.82 TileLetter | August 2019'