Installation Guide

11/11/2016
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thematerialsto
anenvironmentallycontrolledsite.Thewoodsubflooringmaterialsmustnotexceed13%moisture
content.Usinga
reliablewoodmoisturemeter,measureanddocumentthemoisturecontentofboththesubfloorandthe
hardwood
flooringtodeterminepropermoisturecontent.Thedifferencebetweenthemoisturecontentofthewood
subfloorand
thehardwoodflooringmustnotexceed4%.Acclimatethehardwoodflooring,onoroffthejobas
necessary,tomeet
theserequirements.Storeinadryplace,beingsuretoprovideatleastafourinchairspaceunder
cartons,whichare
storedupon"ongrade"concretefloors.Flooringshouldnotbedelivereduntilthebuildinghasbeen
enclosedwith
windows,doorsareinplace,andcementwork,plasteringandallother"wet"workiscompletedanddry.
Concreteshould
beatleast60daysold.
N OTE:MINORSQUEAKINGOFMECHANICALLYFASTENEDFLOORSISNOTABNORMALDUETO
STRUCTURAL
MOVEMENTCAUSEDBYCHANGESINENVIRONMENTALCONDITIONS.FOLLOWINGTHESE
INSTRUCTIONSCAN
MINIMIZETHESEFACTORS,BUTOFFERNOGUARANTEETHATTHEFLOORWILLNOTSQUEAK.
A LLINSTALLATIONMETHODS
JobSiteConditions
Thebuildingshouldbeenclosed,withalloutsidedoorsandwindowsinplace.Allconcrete,
masonry,framingmembers,drywall,paintandother“wet”workshouldbethoroughlydry.The
wallcoveringsshouldbeinplaceandthepaintingcompleted,exceptforthefinalcoatonthe
basemolding.Whenpossible,delayinstallationofbasemoldinguntilflooringinstallationis
complete.Basementsandcrawlspacesmustbedryandwellventilated.
Exteriorgradingshouldbecompletewithsurfacedrainageofferingaminimumdropof3″in10′
(7.6cmin3.05m)todirecttheflowofwaterawayfromthestructure.Allguttersanddownspouts
shouldbeinplace.
Solidflooringmaybeinstalledonorabovegradelevel.Donotinstallinfullbathrooms.
Crawlspacesmustbeaminimumof18″(46cm)fromthegroundtotheundersideofjoists.A
groundcoverof6–20milblackpolyethylenefilmisessentialasavaporbarrierwithjoints
lapped6″(15cm)andsealedwithmoistureresistanttape.Thecrawlspaceshouldhave
perimeterventingequaltoaminimumof1.5%ofthecrawlspacesquarefootage.Thesevents
shouldbeproperlylocatedtofostercrossventilation(Figure1).Wherenecessary,local
regulationsprevail.

Figure#1
Subfloormustbecheckedformoisturecontentusingtheappropriatetestingmethod.