Installation Guide

LIGHTWEIGHTCONCRETE
Allrecommendationsandguaranteesastothesuitabilityandperformanceoflightweightconcreteunderresilientflooringaretheresponsibilityof
thelightweightconcretemanufacturer.Theinstallerofthelightweightproductmayberequiredtobeauthorizedorcertifiedbythemanufacturer.
Correcton‐sitemixingratiosandproperlyfunctioning
pumpingequipmentarecritical.Toensurepropermixture,slumptestingisrecommended.
a. Lightweightaggregateconcreteshavingdensitiesgreaterthan90lbs.percubicfootmaybeacceptableunderresilientflooring.
b. Concreteslabswithheavystaticand/ordynamicloadsshouldbedesignedwithhigherstrengthsanddensitiestosupport
suchloads.
c. Surfacemustbepermanentlydry,clean,andsmooth,freeofalldust,andstructurallysound.
d. PerformBondtestingtodeterminecompatibilityofadhesivetothesubstrate.Shaw9050primercanbeutilizedtopromoteadhesion.
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RadiantHeat:HydronicOnly
Radiantheatedsubstratesmustnotexceed85°F(29°C)surfacetemperature.
a. Sevendayspriortoinstallingresilientproductsovernewlyconstructedradiantheatedsystems,makesuretheradiantsystemhasbeen
onandoperatingatmaximumtemperaturetoreduceresidualmoisturewithintheconcrete.
b. Threedays
priortoinstallationlowerthetemperatureto65°F.24hoursafterinstallation,graduallyincreasethetemperaturein
incrementsof5°Ftoavoidoverheating.
c. Aftercontinuousoperationoftheradiantsystem,ensurethesurfaceofthefloordoesnotexceed85°F(29°C)
d. Useofanin‐floortemperaturesensor
isrecommendedtoavoidoverheating.
WARNING!DONOTSAND,DRYSWEEP,DRYSCRAPE,DRILL,SAW,BEADBLASTORMECHANICALLYCHIPORPULVERIZEEXISTINGRESILIENT
FLOORING,BACKING,LININGFELT,ASPHALTIC“CUTBACK”ADHESIVESOROTHERADHESIVES.Theseproductsmaycontaineitherasbestosfibers
and/orcrystallinesilica.Avoidcreatingdust.Inhalationofsuchdustisacancerandrespiratorytracthazard.Smokingbyindividualsexposedto
asbestosfibersgreatlyincreasestheriskofserious bodilyharm.Unlesspositivelycertainthattheproductisanon‐asbestos‐containingmaterial,
youmustpresumeitcontainsasbestos.Regulationsmayrequirethatthematerialbetestedtodetermineasbestoscontentandmaygovernthe
removalanddisposalofmaterial.SeecurrenteditionoftheResilientFloorCovering Institute(RFCI)publicationRecommendedWorkPracticesfor
RemovalofResilientFloorCoveringsfordetailedinformationandinstructionsonremovingallresilientcoveringstructures.Forcurrent
informationgotowww.rfci.com
RESILIENTFLOORCOVERING:
a. Mustbesinglelayered,non‐cushionbacked,fullyadhered,andsmooth.
b. Shownosignsofmoistureoralkalinity.
c. Waxes,polishes,grease,grime,andoilmustberemoved.
d. Cuts,cracks,gouges,dentsandotherirregularitiesintheexistingfloorcoveringmustberepairedorreplaced.
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e. Embossinglevelerrecommendedtoaidinproperbondingandtopreventtelegraphing.
f. Donotinstalloverrubberbasedsubstrates.
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NOTE:THERESPONSIBILITYOFDETERMININGIFTHEEXISTINGFLOORINGISSUITABLETOBEINSTALLEDOVERTOPOFWITHRESILIENT,RESTS
SOLELYWITHINSTALLER/FLOORINGCONTRACTORONSITE.IFTHEREISANYDOUBTASTOSUITABILITY,THEEXISTINGFLOORINGSHOULDBE
REMOVED,ORANACCEPTABLEUNDERLAYMENTINSTALLEDOVERIT.INSTALLATIONSOVEREXISTINGRESILIENT
FLOORINGMAYBEMORE
SUSCEPTIBLETOINDENTATION.

QuarryTile,Terrazzo,CeramicTile,PouredFloors(Epoxy,Polymeric,Seamless):
a. Mustbetotallycuredandwellbondedtotheconcrete.
b. Mustbefreeofanyresidualsolventsandpetroleumderivatives.
c. Waxes,polishes,grease,grime,andoilmustberemoved.
d. Shownosignsofmoistureoralkalinity.
e.
Cuts,cracks,gouges,dents,andotherirregularitiesintheexistingfloorcoveringmustberepairedorreplaced.
f. Fillanylowspots,holes,chipsandseamsthatmaytelegraphthroughthenewflooring.
g. Grindanyhighlypolishedorirregular/smoothsurfaces.
QuarrytileorCeramictilegroutjointsandtextured
surfacesmustbefilledwithanembossinglevelerorsubstratemanufacturer
approvedmaterial.
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OldAdhesiveResidue:
a. Iftheadhesiveresidueisasphalt‐based(cut‐back),oranyothertypeofadhesiveispresent,itmustbedealtwithinoneoftwoways:
1. Itmaybemechanicallyremovedsuchas:beadblastingorscarifying
2. Aself‐levelingPortlandbasedunderlaymentmay
beappliedoverit.Checkwithasubstratemanufacturerforsuitability,
applicationinstructions,andwarranties.
b. Neverusesolventsorcitrusadhesiveremoverstoremoveoldadhesiveresidue.Solventresidueleftin/onthesub‐floormayaffectthe
newadhesiveandfloorcovering.