AskForPurple.com

Cement Board InstallationPermaBase Cement Board is the preferred underlayment for ceramic tile applications on shower and tub enclosures, countertops, backsplashes and flooring.

Basic CuttingnWithprintedsideup,

usestraightedgetomarkline

nUseutilityknifetoscoreandcutglassmesh

nSnapboardandcutthroughglassmeshonoppositeside

Cutting HolesnWithprintedsideup,

markareaforcutoutnUseutilityknifetoscore

andcutnPunchoutcutareawith

hammernCutglassmeshonoppositesideyou

knockedout

Tub/Shower Walls/ CeilingsnInstallwithprintedside

facingyounUsetwo3'x5'boards

horizontallyfortubbackwallandone3'x5'boardverticallyateachendwallandceiling

nSpacewallfasteners8"o.c.andceilingsfasteners6"o.c.

Floor UnderlaymentnUse1/4"troweltoapply

latex-Portlandcementsettingbedtosubfloor

nCoverwithPermaBasestaggeringjointssotheydon’tlineupwithsubfloorjoints

nAllow1/4"gapbetweenPermaBaseandroomperimeter

nFastenevery8"o.c.inbothdirectionsandaroundalledges

CountertopsnUse1/4"troweltoapply

latex-Portlandcementtoplywood

nCoverwithPermaBasestaggeringjointssotheydon’tlineupwithplywood

nAllow1/8"gapbetweenpanelsnFastenevery8"o.c.inbothdirectionsand

aroundalledges

Important Things to KnownScore/cutandtileonprintedsideofboard.nUse1/2"forwallsandceilings.nUse1/2"or1/4"forfloorsandcountertops.nItisvaporpermeableandunaffectedbywaterBUTisnotawaterbarrier.

Iftheareabehindthecementboardmustbekeptdry,aseparatemoisturebarrier,orwaterproofmembraneshouldbeused.

nNotrecommendedforusewithvinylflooring.n30-yearlimitedwarrantyforinteriorapplications.

Cutting PermaBase

Installing PermaBase