b'TECHNICAL TECHNICAL ufacturers to get their recommenda-is sponsored by tions for foolproof installations.ARDEXX4LFTLarge Format Tile and Stone Mortar is An example of todays electric floor warm-the everyday go to mortar foring options: ARDEX FLEXBONE HEAT large-formattileandstone.ItisIn-Floor Heating Systemsapolymer-modifiedproductsuit-able for setting most types of tileTop tips for contractorsincludingmosa- What are the top things contrac-icsandnaturaltorsshouldkeepinmindwhen stoneovercom- working with electric floor warming moninteriorsur- systems?Firstofall,Contractors faces,includingshould be mindful that the desired exterior-gradeflooring finish must be compatible plywood as wellandtolerantofthethermalfluc-asoverexte- tuationsthesesystemscanexert, riorconcreteorin order to ensure there is no dam-masonrysurfac- agetotheflooring,LATICRETEs es.ItcanalsobeusedaboveInternationalsArtMintie,Senior or below uncoupling membranesDirector of Technical Services, said. suchastheARDEXUI740 TM Healsocautionedcontractors FLEXBONE,highload-bearingto choose the best type of under-uncouplingmembrane.X4isfloor heating system that suits their water and frost resistant and veryspecificneeds.Hydronic(liquid) easy to apply due to its creamysystemsareapopularalternative consistency.Itadherestoboththat rival electric radiant floor heat-dry and damp substrates that areingsystemsbypumpingheated structurally sound, solid and freewater from a boiler through tubing fromanycontaminantthatcanlaid in a pattern under the floor, actasabondbreaker.ARDEXheexplained.Thesesystemsare mortars deliver performance andalso often more expensive and are value for todays tile installations!recommendedtobeinstalledat www.ardexamericas.com. the time of construction, whereas electricradiantfloorheatingsys-88TileLetter | March 2020'