LP SmartSide 25879 Installation guide

G

• TherearenoNationalStandardsforwoodcompositesubstratetrim.

• LPSmartSidetrimandfasciacanbeapplieddirectlyovermaterials

suchassiding,ornaileddirectlytostructuralmembersupto

24in.O.C.

•

Allfasciamustbesupportedwithsolidwoodsubfascia. Strand based

fascia may be installed without subfascia if it is 6 in. 540 series or

larger.

• TRIMMUSTNOTBEINDIRECTCONTACTWITHMASONRY,

CONCRETE,BRICK,STONE,STUCCOORMORTAR.

• Minimum6in.clearancemustbemaintainedbetweentrim

andfinishgrade.

• Trimappliedadjacenttoporches,patios,walks,etc.musthavea

clearanceofatleast1in.aboveanysurfacewherewatermightcollect.

Thesurfacemustbeslopedorotherwisedesignedtoprovideproper

drainagesothetrimisatnotimedirectlyexposedtostandingwater.

• Trimandfasciaarenotdesignedforsiding;orstructuralapplications

andshouldnotbeusedasastructuralmemberinconstructionsuch

asatrellis,railingorfencing.

• Anon-corrosivedrip-edgeordrip-capmustbeappliedatbottomedge

ofroofingwhereitmeetsthefascia.

• Trimandfasciamustnotbeappliedtogreenorcrookedstructural

framingmembers.Donotapplytrimand/orfasciaoverrainsoakedor

buckledsheathingmaterials.

• DO NOT USE STAPLES

M

• Moisturecontrolandwatervaporcontrolarecriticalelements

ofproperhousingdesign.Checkyourlocalbuildingcodesfor

applicationproceduresforhandlingmoistureandwatervapor

inyourarea.

• Followallapplicablebuildingcodespecificationsrelatingto

preventionofmoistureintrusionintothewallassembly.LP

SmartSidetrimandfasciaisawoodproduct,and,aswithallwood

products,mustbekeptfreefromconstantsourcesofmoisture.

Lackofproperventilation;exposuretorepetitivesourcesofwater

suchassprinklers,condensation,inadequateflashing;improper

sealing;orfailuretofollowcommonbuildingpracticesthatprevent

moistureintrusionintothewall-system;maycausedamage,and

willvoidthewarranty.

C

• Forthecleanestcutandlongerbladelife,afine-toothcarbide

tippedbladeisrecommended.

• Trimandfasciaaremanufacturedwithaspecialedge

coatingwhichreducesmoisture-relatedissues.Avoidripping

androutingthetrimandfascia,asitwillleavetheedges

unprotected.Ifthetrimorfasciamaterialsmustberippedyou

must,takespecialcaretoprime,paintandsealallexposed

woodfiberasdescribedinthefinishingsection.

 

TRIM AND FASCIA

190, 440, 540, 2000 SERIES

S

• Storeoffthegroundonaflatsurface,underarooforseparate

waterproofcovering.

• Keeptrimandfasciacleananddry.Inspectpriortoapplication.

G, S  J

• Sealallgapswithahigh-quality,non-hardening,paintable

sealant.Followthesealantmanufacturer’sinstructionsfor

application.

• Useahigh-qualityexteriorsealantmeetingtheASTMC920,

minimumClass25sealant.

•

Installkick-outashingtodirectthewaterintothegutter

•

Installstepashingwithminimum4in.upperleg

•

Properlyintegrateashingwiththesecondarywater-resistive

barrier.Usehousewrap,ashingtape,z-ashing,orotheritems

asneededtomaintainthecounterashingprinciple.

•

DONOTextendthesidingortrimintothekick-outashingor

gutter

•

Maintainaclearancebetweentheendofthegutterandthe

adjoiningwalltoallowforpropermaintenanceofthesiding

•

PrimeandpaintALLexposedcutedges

K-O F

LP Siding

Minimum 1" clearance

between trim and rooﬁng

Clean rain

gutter

Do not run trim or siding inside

of the kick out ﬂashing

Application instructions (cont.)

F, W, D  O

• Allopeningsmustbesealedandflashedinamannerthat

preventsmoistureintrusionorwaterbuildup.Several

examplesthataccomplishthisareshown.

•

Inahorizontalbrickfriezeorbandboardapplicationwherethe

trimoverlapsthemasonryleavea3/16-inchminimumairspace

oralayerofflashingbetweenthetrimandthemasonry.

•

Horizontaltrimorbandsshallbeflashedwithadripcapto

redirectwaterawayfromthewallassembly.

space siding 3/16 in.

from corner of wall

Minimum 2 in.

overlap

PREFERRED OUTSIDE CORNER DETAIL

Trim must extend beyond face of siding.

Minimum



/ . Gap

(if necessary, increase

spacing according to siding

requirements)

INSIDE CORNER DETAIL

Figure 1

Figure 2

ALTERNATE OUTSIDE CORNER DETAIL

Minimum



/ . Gap

(if necessary,

increase spacing

according

to siding

requirements)

Trim must extend

beyond face of siding.

Figure 3

Snug

Flush

Visible fiber

Countersunk



/–



/ .

Countersunk more

than

/8 in.

CONDITION CORRECTION

Paint

Apply sealant

Apply sealant and

re-nail

N I

•

Useaminimum8d(0.113in.diametershank),hot-dipped

galvanizednail,withaminimum0.270in.diameterhead.

•Penetratestructuralframingorwoodstructuralpanelsand

structuralframingaminimumof1in.

•

Spacenailsmaximum24in.O.C.withminimumof2nailsperstud.

• Leave

/16in.gapwheretrimbuttsintoothermaterialsandat

buttjoints,miterjointsandends.Whereedgesoftrimmeet

sidingmaterial,windows,doorsorotherfinishedopenings,

leaveaminimum

/16in.gaptoallowforpropersealing.

Provideincreasedspacingalongthetrimifspecifiedbythe

sidinginstallationinstructions.

• Leave1in.clearancebetweentrimandroofingmaterialsat

roofrake.

• Foredge-nailing,allnailholesmustbepre-drilled.Donot

attempttoedge-nailwithoutpre-drilling.

• Whenappliedasrake,cornerorbandboard,nailsmust

bespacednofurtherthan12in.apartonalternatingedges.

Nailsmustbe

/8in.fromtheedge.

• Climbcutthesurfaceofthesidingsuchthattherotationofthe

bladecutsdownwardontheprimedorprenishedsurface.

• Wheretrimbuttswindow,doorcasingsandmasonry,etc.leavea

3/16in.gapandseal.

• Attachmentoftrimasbattenstripswherethetrimisunableto

beattachedtoframingwillrequireadditionalsupportfroma

constructionadhesive.Useanexteriorgradeconstructionadhe-

sivethatmeetsthefollowingspecicationsandapplyaccording

totheadhesivemanufacture’sspecications.Attachthetrim

mechanicallywithhotdippedgalvanizedring-shanknailsno

smallerthan0.090inchshankdiameter.Thenailsmustattach

thetrimsucientlytosecurethetrimtothestructurewhilethe

constructionadhesivecompletesitscuringprocess.

 ConstructionAdhesiveSpecications:

 •Minimumbondstrength:300psi

 •Minimumapplicationtemperature:40oF

 •Paintablegrade

Insulated Sheathings

LPSmartSideSidingsmaybeinstalledoverlow-compressionrigid

foamorexteriorgypsum.Thefollowingprecautionsmustbefollowed:

• 

AdequatebracingofthewallinaccordancewiththeInterna-

tionalCodesorotherrulingbuildingcodeisrequired.

• 

Forrigidfoamsheathingupto1in.(25.4mm)thick,siding

maybenaileddirectlytothefoamsheathingunlessadrainage

planeisrequiredbythelocalbuildingcode.Naillengthmust

bein-creasedtoensureaminimum1-1/2in.(38.1mm)fastener

penetrationintothestructuralframing.

• 

Forrigidfoamsheathinggreaterthan1in.(25.4mm),aminimum

1-1/2in.(38.1mm)thickby3-1/2in.(88.9mm)widevertical

strappingorfurringstripmustbeinstalledoverthesheathing

toprovideasolid,levelnailingbaseforthesiding.Thestrap-

pingmustbesecurelyfastenedtostructuralframingspacedno

greaterthan16in.O.C.(406mm)withaminimumnailpenetra-

tionof1-1/2in.(38.1mm)andamaximumnailspacingnogreater

thanthewidthofthesiding.

Louisiana-Pacicwillassumenoresponsibilityforanydamageor

conditionarisingfromtheuseofrigidfoamorexteriorgypsum.

Application instructions (cont.)

G





.

BUTT JOINT DETAIL

4 in. Vertical Flashing

Trim

Nail Fin (do not damage)

DOORS & WINDOWS

Glass

Minimum



/ . Gap

(if necessary, increase spacing

according to siding requirements)



/ . Space

Figure 4

Figure 5

Siding

HORIZONTAL

TRIM AND

BAND BOARD

Trim

Flashing

Brick

Flashing



/ . Space



/ . Space

Weather

Resistant

Barrier

Shim

Figure 6

J D

• Endsmustbespacedandjointsmaylightlytouchinrunsless

than16feet.Buttjointsrequirea3/16in.gapinruns16feetor

 greater.Sealwithahighqualitynon-hardeningpaintablelong-

 lifesealant.

•Buttjointsrequirefour(4)nailswithtwonailsoneithersideof

thejointateachedge.

TRIMBOARD 3/16 IN. JOINT DETAIL

Figure 8

Space

and seal with

sealant

Figure 9

• End-to-endjointsinverticaltrimshouldbeinstalledso

thattheyshedwater.

• Do not miter corner joints of band boards, fascia, etc.

• Allowtheendofthetrimtolapovertheendofthe

adjoiningtrim,gap3/16in.andcaulkwithsealant.

Figure 7

VINYL SIDING

Allowdrainagebetween

horizontaltrimandJ-channel

whenadjoiningvinylsiding

Window

Framing

Trim

Water release

Z flashing

Vinyl

Siding

• Donotusescarfjoints.

TheLouisiana-PacificCorporation(“LP”)LPSmartSidetrimandfascia

(the“Products”)limitedwarranty(the“Warranty”)appliesonlyto

structuresonwhichtheProductshavebeenapplied,finishedand

maintainedinaccordancewiththepublishedapplication,finishing

andmaintenanceinstructionsineffectatthetimeofapplication.

Thefailuretofollowsuchapplication,finishingormaintenance

instructionswillvoidtheWarrantyastotheportionoftheProducts

affectedbythevariance(the“AffectedProducts”).

LPassumesnoliabilityforanylossordamagesustainedbythe

AffectedProductsandisexpresslyreleasedbythepurchaseror

ownerfromanysuchlossorliability.

AnymodificationoftheWarranty’sapplication,finishingor

maintenancerequirementsisvoidandunenforceableunless

approvedinwritingpriortoapplicationbytheSidingGeneralManager

orhisdesigneeandamemberoftheLPLegalDepartment.

Foracopyofthewarrantyorforinstallationandtechnicalsupport,visitthe

LPSmartSideproductsupportWebsiteat:

orforadditionalsupportcall800-450-6106.

www.lpsmartside.com

WARRANTYREMEDIESARENOTAVAILABLEIF

REQUIREMENTSARENOTFOLLOWED.

NEVER NAIL INTO

EDGES WITHOUT

PRE DRILLING

DO NOT MITER

EDGES

SEAL AND PAINT

M

• Donotmitertrimedges.45degreemiteringoftrimends

arounddoorandwindowopeningsisacceptable,aswellas

joining.

DO NOT MITER

CUT THE

CORNER JOINT

G E

• Atgableends,abackerboard(suchasabargerafter)shouldbe

usedunderfasciatoprovidemaximumsupportalongthelength

oftheproduct(seeFigures10and11.)

• Iftrimandfasciaisinstalleddirectlytolookoutsonan

overhangingrake,thelookoutsmustbeinstallededgewiseand

mustbespacednowiderthan24in.O.C.(seeFigures10and

11).THISAPPLICATIONAPPLIESTOMINIMUM6in.540SERIES

STRANDTRIMONLY.

FASCIA DETAIL

FASCIA

SOFFIT

TRIM

Installdrip-edgeor

drip-captoprevent

waterbuildupbehind

fasciaandtrim.

Ridge

First

common rafter

End or verge

rafter

Barge rafter

2x or 4x lookouts

Fascia

Ridge

First

common rafter

End or verge

rafter

Barge rafter

2x or 4x lookouts

Fascia

F  R B  C

• Alljointsmustbesupportedby

framing.

• Donotnailfromthefaceofone

trimmemberintotheedgeof

another.

• Donotmitercutthecornerjoint.

F

• Primeandpaintallexposedsurfacesincludingalldrip

edges or where water will hang.

• Applyfinishcoatassoonaspossibleorwithin180days

ofapplication.

• High-qualityacryliclatexpaint,speciallyformulatedforuseon

woodandengineeredwoodsubstrates,ishighlyrecommended.

Semi-glossorsatinfinishoiloralkydpaintsareacceptable.For

flatalkydpaint,pleasecheckwiththecoatingmanufacturerfor

theirrecommendationsforuseoncompositewoodsiding.

• Followthecoatingmanufacturer’sapplicationand

maintenanceinstructions.

DO NOT USE

• Semi-transparentandtransparentstains.

• Shakeandshinglepaints.

• Vinyl-basedresinformulassuchasvinylacetate,PVA,

vinylacetate/acryliccopolymerpaints.

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.

TrimBoard

2" x 6"

Blocking

Rafter

Cal. Prop 65 Warning: Use of this product may result in exposure to

wood dust, known to the State of California to cause cancer.

Application instructions (cont.)

areregisteredtrademarksofLouisiana-PacificCorporation.PrintedinU.S.A.

NOTE:Louisiana-PacificCorporationperiodicallyupdatesandrevisesitsproductinformation.

Toverifythatthisversioniscurrent,call800-450-6106.

       LPZB05211/14

Figure 10

Figure 11

Figure 12

Figure 13

Figure 14

LP SmartSide 25879, 27819, 2902075, 39806, LP2902079 Installation guide

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