b'ASK THE EXPERTSASK THE EXPERTSnew and old cementitious material is sponsored by together upon drying.PVAalsofindsextensiveusein wall jointing compounds for adhe-sion, binding, and flexibility, where water immersion is not a concern.The issue that can arise from the FRACTUREBANSCbyuse of PVA is that under wet/alkaline LATICRETEisathin,load-bearing,conditions,thevinylacetateside self-curing liquid rubber polymer thatgroupswillhydrolyzetohydrox-canbeeasilyappliedinasingleylfunctionality,whichrendersthe coat to form a exible seamless anti- polymermoresolubleandprone fracturemembrane.Tile,brickandto swelling and migration. Thats an stone can be installed directly overadvantage as a rewettable bonding the membrane without the need forprimer, but a severe disadvantage for fabric.TheversatilityofFRACTURElong-term moist environments as the BAN SC allows it to be applied inadhesive effect is diminished.anyinterior,exteriorandhorizontalIn general, PVA is not used as a application. It can also be used inmortar modifier in the tile industry industrial, commercial and residentialbecauseitislikelytoencounter areas such as terraces and balconieswet and water-immersed conditions overlooking unoccupied spaces.where the polymers adhesive perfor-FRACTUREBANSCmeetsANSImance would be severely degraded.A118.12requirementsandprevents nonstructural,in-planeoorcracksThe tile industry as a whole relies up to 1/8 (3 mm) from transferringheavily on the use of vinyl acetate through grout, ceramic tile and stone.ethylene copolymers (VAE or EVA) FRACTURE BAN SC is also equippedfor mortar modification. While the withMicrobanAntimicrobialvinyl acetate group is still present, Protection, effectively providing around- these polymers exhibit significantly the-clockproductprotectionfromtheimprovedresistancetohydrolysis growth of microbes including bacteria,due to the presence of ethylene on mold and mildew. www.laticrete.com thebackboneandinsomecases other monomers. This resistance to thehydrolysispermitstheirusein wet areas and can meet the ANSI 118standardsthatincludewater-immersedadhesiontesting.This class of polymer is widely used in drymix, modified tile adhesives and doesnt suffer from the performance deficiencies of the PVAs.Itispossibletoimproveperfor-22TileLetter | August 2020'