Installation Guide
Installing a Ledger:
Toinstallaledgerpieceapplyadhesivetothebackoftheledgerandtothetoppositiveshiplapedgeofthepanelthatisalready
attachedtothesubstrate.Thenttheledgerpieces’negativeshiplapdownontothepositiveedge.Proceedbytoescrewing(shooting
ascrewatanangle)theledgerpiecefrombothendsbeingcertaintocountersinkthescrewdeepenoughtowherethescrewhead
doesnotstickoutwhichwouldpreventatightttothenextledgerpiece.Thescrewusedforshootingthroughthesidewillbe
longerthantheothersinordertoprovidegoodbiteintothesubstrate.Continuebyshootingalongerscrewinthecenteroftheledger
throughthefacecountersinkingbyabout1/8".Coverthisandallholeswiththegrout.
RegardlessofwhichvarietyofGenStoneproductisused,anavailablecolormatchedgroutoraclearPLPremiumadhesivemust
be used between the shiplap edges to adhere the panels together. Applying the adhesive between the positive and negative ship lap
edges ensures a good seal between panels.
Applying Over Cement:
ThismethodofapplicationwouldbeusedforCMU,brick,oranyothercementproduct.Alwayskeepthe“positivelip”ofpanel
up.UsingPLpolyurethanepremiumconstructionadhesive(widelyavailable)onthebackofthepanels,applyapproximately3/8"
verticalbeadsinatight“s”patternat12"intervalsstartingatoneedge.ApplyGenStone’stextured,color-matchedcaulktothe
positivelipbeforeanchoring.InconjunctionwiththeadhesiveyouwillneedtouseacementscrewsuchasaTapcon.Roto-hammer
thepilotholebeforeinsertingorscrewingconcreteanchors.Thenusingaforstnertypebit,countersinkanchorhole.Screwheads
shouldbecountersunk1/8"andthencoveredwithGenStonecolormatchgrout.Thesescrewswillholdthepanelinplacewhilethe
adhesivesetsaswellasincreasethedurabilityoftheinstall.Onescrewineachcornerofapanelisadequate.Screwsshouldbeof
sufcientlengthtopenetratethepanelandbiteenoughintoyoursubstratetoholdtight.
Always keep the “positive
lip” of the panel up.
Drive concrete anchor to a
depth of 1/8” below ush.
Roto-hammer the pilot hole
before inserting or screwing
concrete anchors.
Photo showing a forstner type
bit for countersinking anchor
hole and one of many types
of concrete anchors.
Apply polyurethane adhesive
designed for use with concrete to
the back of the panel.
Apply GenStone’s textured,
color-matched caulk to the
anchor hole.
Apply GenStone’s
textured, color-matched
caulk to the positive lip
before anchoring.