Installation Instructions
G
• ArchitecturalCollectionVentedCut-To-Width(CTW)sot
providesaminimumventilationof10in
2
perlinearfootfrom
thefactory
• ChoosePrecisionSeries38SeriesorFoundations76Series
sotforclosedsotapplication.PrecisionSeries76and190
Seriessotforopensotapplications.Consultyourlocal
buildingcodeforguidanceifitisnecessarytoripthePrecision
Series76and190Seriessotinopensotapplications.
• Recommendedspansforopenandclosedsotsaregiven
inTable1.TherecommendationsinTable1foropensots
alsoapplytocombinedroof/ceilingconstruction.Panelsare
assumedcontinuousovertwoormorespanswiththelongdi-
mensionorstrengthaxisacrosssupportsforbothapplications.
• PrecisionSeries76and190Series4ft.widesotisdesigned
foropensotapplications(Figure1)althoughitissuitablefor
closedsotapplicationsalso(Figure2).PrecisionSeries38
SeriesandFoundations76Seriessotcanbeusedforclosed
sotonly(Figure2).
• Inopenandclosedsotconstruction,protectpaneledges
againstdirectexposuretotheweatherwithLPSmartSide
trimandfascia.ApplyLPSmartSidesotinamannerthat
preventsmoistureintrusionandwaterbuild-up.Allopenings,
otherthanthevents,mustbesealed,caulked,and/orashed.
• SOFFITSMUSTNOTBEINDIRECTCONTACTWITHMASONRY,
CONCRETE,BRICK,STONE,STUCCOORMORTAR.
F I
DO
•Primingallexposedwoodsubstratesbeforepaintingishighly
recommended.
•Paintallexposedsotsurfaces.
•Thoroughlypaintthebottomedgesofsotespeciallyallcutends
nexttotheroofline.
•Applypaintassoonaspossibleandwithin180daysofapplication.
•Followthecoatingmanufacturer'sapplicationandmaintenance
instructions.
•High-qualityacryliclatexpaint,speciallyformulatedforuseon
woodandengineeredwoodsubstrates,ishighlyrecommended.
Semi-glossorsatinnishoiloralkydpaintsareacceptable.Forat
alkydpaint,pleasecheckwiththecoatingmanufacturersfortheir
recommendationsforuseoncompositewoodsiding.
Do Not Use:
•Semi-transparentstain.
•Shakeandshinglepaints.
•Vinyl-basedresinformulassuchasvinylacetate,PVA,
vinylacetate/acryliccopolymerpaints.
HANDLE PREFINISHED LP SMARTSIDE PRODUCTS WITH EXTREME
CARE DURING STORAGE AND APPLICATION. TOUCH UP ANY
DAMAGE TO THE FINISH THAT MAY OCCUR DURING APPLICATION
PER PREFINISHERS SPECIFICATIONS.
N I
•Panelsmustbeinstalledperpendiculartosupports.
•Minimumsizeframingshouldbenominal2in.x4in.
•Allpaneledgesmustbesupportedorbackedbysolidframing.
•Consultyourlocalbuildingcodeforopensotapplications.
•Spacenails6in.O.C.atpaneledgesand12in.O.C.at
intermediatesupports.
• DO NOT USE STAPLES.
•WheninstallingtheArchitecturalCollectionventedsot,
avoidcuttingthroughtheventedareas.Ifitcannotbeavoided,
takespecialprecautionstoavoiddamagetothespokeswithin
thevent.
•Avoiddiagonalcutsthroughtheventedareas.Ifnecessaryall
sotedgesmustbesupportedorbackedbysolidframing.Use
constructionadhesivetoattachespokeswithinthecutareaof
theventtosolidframing.
•Exhaustductsshallterminatenotlessthan3ft.inanydirec-
tionfromopeningsinventedsot.Refertoyourlocalcode.
•Thespokeswithintheventmaywarpslightlyduring
equilibrationwiththelocalenvironment.Thisconditionis
temporaryandthespokeswillstraighten.
•FactorymanufacturedCut-To-Widthsotisapprovedforuse
inclosedsotapplicationsonly.
•FieldpreparedCut-To-Widthsotshouldcomplywithlocal
buildingcodes.
•Spaceandcaulktheendandedgejoints1/8in.whenusing
8-footsot.
•
Spaceandcaulktheendandedgejoints3/16in.whenusing
16-footsot.
• LP SmartSide Sot products are not designed for and
are not suitable for use as siding or trim other than Smooth
Foundations Sot.
•
ForinformationonfasteningLPSmartSidesotsinhighwind
speedareas,refertoAPAProductReportPR-N117.
TABLE 1
LP SmartSide CTW, Vented CTW and Sot Panels
(Long Dimension Across Supports)
Maximum Span (inches)
All Edges Supported
24
24
24
Nominal Panel
Thickness
Precision Series 38 Series
LP SmartSide sot
Precision Series 76 and 190
Series LP SmartSide sot
Foundations 76 Series
LP SmartSide sot
Nail Size
and Type
6d (0.099") nonstaining,
hot-dipped galvanized
box
8d (0.113") nonstaining,
hot-dipped galvanized box
8d (0.113") nonstaining,
hot-dipped galvanized box
ARCHITECTURAL COLLECTION,
PRECISION SERIES & FOUNDATIONS SOFFIT
G S
•
Sealallgapswithahigh-quality,non-hardening,paintablesealant.
Followthesealantmanufacturer’sinstructionsforapplication.
•Useahigh-qualityexteriorsealantmeetingtheASTMC920,
minimumClass25sealant.