MOHAWK TECHNICAL SERVICES DEPARTMENT | 508 EAST MORRIS STREET, DALTON, GA. 30721 | 800.833.6954 01190_2020 | EH | 09/2020 | 4 of 8
APPROVED SUBFLOORS:
Concrete,Plywood,OSB,Particleboard,Chipboard,Hardwood(Solid, Engineered, Parquet),Tile(Ceramic, Terrazzo, Stone, Asbestos, Peel and Stick),Non-CushionSheet
Vinyl,Metal,VCT,DRIcore
AllsuboorrequirementsnotedbelowmustbemetpriortotheinstallationofMohawkRigidVinylPlank.
Concrete Suboor Prep
• Performmoisturetestsatlocationsaroundexteriordoorways,nearwallscontainingplumbing,nearfoundationwallsandinthecenteroftheroom.
• Highspotscanberemovedbygrinding;depressionscanbelledwithpatchingcompoundformulatedforuseinoorinstallation.
• Cureforatleast90days(applies to newly-laid concrete slabs).
• Canbeeithersealedorunsealed.
• Moisturelevelsofconcreteslabsbefore,duringandafterinstallationmustbe≤8lbs/1000ft2/24-hrusingananhydrouscalciumchloridetestaccordingto
ASTMF1869andpHmustbebetween5.0and9.0;or,ifusingASTMF2170IN-SituProbes,shouldbelessthan90%RH(relative humidity).Alwaysmeasure,
recordandkeepyourtestingresults.
Wood (Plywood, OSB, Particleboard, Chipboard, Solid Hardwood, Luan) Suboors
• WoodsuboorsmustbeA.P.A.approvedwithaminimumgradeof“BB”or“CC”.Forreference,A.P.A.istheacronymforanorganizationoriginallyknownas
the“AmericanPlywoodAssociation”,andthatisnowknownas“TheEngineeredWoodAssociation”.
• Performmoisturetestsusingareliablemoisturemeterinmultiplelocations.Moisturereadingsshouldneverexceed14%forplywood,OSB,particleboard,
chipboardandsolidhardwoodsuboors.Ifmoisturereadingsexceed14%,itshouldbecorrectedatthejobsitebeforeinstallingMohawkRigidVinylPlank.
Other Suboor Prep
• Adheredandsoundvinylsheetgoods,linoleumandresilient(VCT)tiles:Oldvinylandlinoleumtilesorsheetgoodsnormallydonotneedtoberemoved
iftheyarefullybondedandfreeofanynotabledamage.Someoldervinylsheetgoodsandtilecontainasbestos.Shoulditcontainasbestosspecial
precautionsmustbetakenforyoursafety.Contactaprofessionalimmediatelyforinspectionandremoval.
• Ceramictilesandterrazzo:Oldatceramictilesnormallydon’tneedtoberemoved.Groutjointswiderthan¼”mustbelled.Usually,MohawkRigidVinyl
Plankooringproductscanbeinstalleddirectlyoverceramictilesandterrazzoprovidingtheyarefullyadhered,smooth,soundanddry.Theseooring
materialsmustbesmoothandattowithin1/4”ina10’radiusandmustnotvarymorethan1/16”whenmeasuredwitha3’straightedge.
• Donotinstallovermorethanonelayerofvinyl.
Radiant Flooring Heating Prep
• Aftermarketradiantheatedoorsmustbeapprovedbythemanufacturerforusewithresilientooringapplications.Thesuboortemperatureshouldnot
exceed85°F(29°C).
NON-APPROVED SUBFLOORS:
• Carpeting/CarpetPad
• CushionedVinylFlooring
• FloatingFloors
• Laminate
• ParquetOverConcrete
• Cork
• EngineeredHardwoodOverConcrete
• SleeperSubstrates
• HardwoodOverConcrete
• Rubber
RemovetheoorsnotedaboveandremoveoldadhesivebeforeinstallingMohawkRigidVinylPlankooring.
GENERAL MOHAWK RIGID VINYL PLANK FLOORING INSTALLATION INSTRUCTIONS
• MohawkRigidVinylPlankooringproductsareintendedforindooruseonly.
• Temperatureswithintheroommustbemaintainedbetween0°Fto140°F(-18°C to 60°C).
• Theseextremerangesbetween0°Fto45°F(-18°C to 7°C)and115°Fto140°F(46°C to 60°C)areforunoccupiedenvironmentsonly.Occupiedareasaswellas
theinstallationneedtobecontrolledbetween45°Fto115°F(7°C to 46°C).
• A1/4”(6 mm)expansionspacemustbeprovidedaroundtheperimeteroftheroomandanyxedobjectssuchaspipesorcolumns.