VinylSidingcanReduceEnergy
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Siding Materials
Iwanttomakemyhouseas
energyefficientaspossible,butIdon'thaveunlimitedmoneytospend.
Itisalwaysagoodideatoconsideraddinginsulationtoyour
Home.Theseareexposedonlyduring
constructionandrepresentapotentiallylostopportunity.
Mosthousesbuiltinthelate'70shave2-by-4wallsthatallowabout
R-11insulation.Itisdifficulttoknowexactlyhowmuchwall
insulationyouhave,butR-11wastypical.
SinceanR-11battis31/2inchesthick,italreadyfillsthewall
cavity,andanyadditionalinsulationmustbeaddedoutsidethewall
underthesiding.
908-750-5065
Thereareseveralvinylsidingproductsandinstallationtechniques.
Somecontractorsleavetheexistingsidinginplaceandinstallathin
layeroffoamcalledfan-fold(1/4to3/8inch)overtheexisting
siding.ThisfoamaddsaboutanR-1.Othercontractorsremovethe
existingsidingandinstallthenewvinyleitherdirectlyonthewood
sheathingoroveralayeroffoam.
"Weinstallaproductthathasthevinylsidingmoldeddirectlyover
foaminsulation,"saysTonyCharles,ownerof NewJersey
Remodelers.COM."We
havefoundthatwehavefewerproblemswiththesidingpullingawayfrom
thefoamwhentheinsulationisactuallypartofthesiding."
DougChambersofPositiveSolutionssaidhealsolikesvinylsiding
productswherethefoamisintegral.
"Ourproducthasthefoamonchannelsbehindthesiding.Whenthesiding
expandsandcontractswithheatandcold,itcanmoveindependentlyfrom
thefoaminsulation.Thesidingdoesn'tbindandourcustomerslikethe
solidfeelofthefoambehindthesiding.OurfoamaddsaboutR-5tothe
wall."
Anotherwaytotheinsulationvalueofthewallistoinstall
sheetfoaminsulationovertheexistingsheathing,underthevinyl.
Dependingonthetype,aninchoffoamwilladdbetweenR-5andR-7to
thewall.Thiswillrequirespecialattentiontotrimdetailaround
doorsandwindowsbecauseoftheextrawallthickness.
Regardlessofwhetheryouaddinsulation,protectthewallfromthe
elementsbeforeinstallingthevinylsiding.
"Installingagoodweatherbarrierisalsocriticaltoasuccessful
re-sidingproject,"saysTony."Sincevinylsidingisnotweather-tight
likeothersidingproducts,weinstallahousewrapproductoverthe
existingsheathing.Wethenusearubbericeandwatershieldaround
windowsanddoorstomakesuretherearenoleaksintothewall."
Isitworthit?
Recently,severalmanufacturershavedevelopedathicker,morerigid
versionofvinylsiding.Thissidingusesathickerfoamboardbacking
(R-4),shapedintoaprofilethatmatchesthesidingandadheredtothe
back.Thisthickerprofileallowsthesidingtolieflushtothe
sub-wallorprevioussidingandbetterwithstandimpactsfromhail,golf
ballsandbaseballs,etc.
Doestheadditionofthisfoamreallylowerheatingandcoolingcosts?
Yes,itcan.Between15percentand25percentoftheheatlossthrough
thewallsofatraditionalwood-framedhomeisthroughthesolidwooden
framing.Wallinsulationreducesheattransfer,butthelowerR-valueof
theframingitselfcanimpactheatingandcoolingbills.
Thefoaminsulationbehindvinylsidingactslikeablanketoverthe
framingandcancutheattransferthroughtheframinginhalf.This
resultsinan8percentto12percentreductioninheattransferthrough
thewall.Dependingonhowmuchofyourhome'ssurfaceareaiswall,
thisreductioncanshowuponyourheatingandcoolingbill.
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Updated6/13/201010:38:10AM
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PleasecontactusTel:908-750-5065withanyquestionsTonyCharles
LongValley,NewJersey07853
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Fullbackyourhomeandmakeit:Fullback
yourVinylSidingmakeit:
Moreenergy-efficient
Upto5timesthe
“R”-valueof
conventionalbackers
Significantenergysavings
Betterlookinglonger
Nodenting,saggingandwarping
Extremeweatherprotection
PerformGuard®repelstermitesandcarpenterants
Moreliveable
Permeable“vaporbreather”—doesnotcontributetomoldgrowth
More
energy-efficient