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�.. �,. <br /> f <br /> 2004 V�eshin ton State Nonresidential Ene Code Can ���ce Form � <br /> : • • ' - ' <br /> 7WC WasN�O��St�b NanmtivNN E^eNY COGe CanNi�m<Fatms • RmNM M//3W5 <br /> Envelope -General Requirementa <br /> 7311 InsWatbn Roducl samples used tar l�fecta delerminatiore shAl be <br /> 1311.1 Irstallatbn Requinmanb: A1 insulation materials PfOduchon ine unils a reprexMative d units as purehaaed bY <br /> the coreune or coArador.Udabele0 giazing and doars ahell <br /> shal be inYailed accor6ng to tha men�tadurers insVuctiore be assi¢ied thedefault LLtador�Sedion 2006. <br /> toachievepraperdensities,maintainGearances,andmantain ��ZZSolarNeatGalnCoeMdeMand3hadirq /�f� <br /> unfortn R•values.To ihe maxinum mAant possible,insuletion CoafNelent:Sdar H�t Gan CoeFfcient(SFIGC),shell be <br /> shell eMeid wer Ihe ful mmponenl ar�to the intended R- d�ermined�rt�ed end labeled in accordance with lhe <br /> �a��� Nationai Fenestratim Ratirg Council(NFRC)Sandard by a <br /> 1J71.2 RodlCeiling IruulYbn:Open-down apoured loose- certfied,independent agency,im�sed bythe NFRC. <br /> fil insWation may be used in altic spaces whare the slape d E�ceeptbn: Shading caefidenls(SC)shall be an <br /> tl�e ceiling is not more than 3112 and Ihere is at least thirty ���ble atemate tor mnplance with sola heat <br /> inches d Gear distar�ce hom the tap W the bdtan chord of the gain wefficieN requiranents. Shaang coeffideMs <br /> truss or ceiling jo'st to the undarside of tlie she�hirg atlhe {o�yla:ing shall betake�hom Chepter 27 of <br /> roofridge.Whe�eaveventsareinstalled,bafAhgotlhevent StandardRS27orfromthemanufactuetstestdata <br /> openirgs shel be prwided so as to defled lhe incarrring air �313 Mdature Catrd <br /> above the s�rface of the nsulation <br /> Where igMing fixlires are reaessed into e suspended or 13111 Vapa Rtardsrs:Vapor reterders shall be instaNed on 1'�L� <br /> e�osed grid oeiling,the rod/ceiling assembly shel be the warm side(n winla)d insulAion as required by this <br /> insWated in a lacation other Man drectly on the suspended section. <br /> �i��9. �,\v Ezceptlon:Vapa rMarder irstalled with not more <br /> Ezception: Type IC r�ed rxessad IigMing fixtures��� Man tl3 d the naninal R•vaWe bdxeen R and the <br /> Where installed in wood hemirg,faced batt inwlation co�ditioned space. <br /> shal be hce sfaped. 7313.2 Roof/CalYnpAsaembAes:Roodceiling assertiblies I�:�� <br /> 1371.3 Waq IrmWatlon:Exterior wa�l cavities i.dated durirg�:�,�� '�'�re Ma ventilatlon spece above the insulatbn is ims ttian <br /> framing shall be tuly insulaled to the ie+els otlhe sirrounding '� an average d N+eNe inches shall be pwided with a vapor <br /> walls.Whan installed in xood franng,fated batt insulation retarder.Root/ceding assemdies without a veMed airspace, <br /> shal be hce slapled. where neilher tha root dedc northe rod sUudure a2 made d <br /> Abode grada mReria iiuuletion shall be poMded. '�'0�•�������a contlnuous vapa reterdar wih taped <br /> seams. <br /> 1311.4 Fba Ireulatlon: Floa insulation shall ha in5alled in Exceptlon:Vapa retaNers need not be prwided <br /> a pertnanent manner in sibsb;:�al wntaa wi�h the suface ,;\�) vfiere all of the insuWtion is installed betv�een the ���. <br /> beirg InsUated. Inwlation s�ppohs shaN be insfalled so roof inembrana end the strudural rod dedc <br /> spacing is not more than twenty4our inchrs on ceMer. 1313.3 WaNs:WaIB seperaUng condifionedspace hom <br /> Installed insuiAion shall not dodc lhe airNowlMough unconditqned space shal be proHdetl with a vapa reiader. <br /> fandation vents. <br /> 1311.6 SlabOnGrade Floor. Slaban-gade insula6on (��> >�3.4 Floo�s:Floars separa[ing conditimed space from <br /> iretalled insde the foundetion wat shall extmd downward 6om urconditloned space shal be prwided with a vapor rotsrder. <br /> the top d the siab a mhinum distance oi lwenry-four inche;v 1313.5 Crawl Spaees:A ground cova af six mi(0.006 inch <br /> to the bp d the fooGng,whichever is less. Ireulation irntalled lhidc)bladc polyelhylene or approved equal shall be laid ova <br /> oLLside the foundation sha�l eztend downNard a minimum d the gand within aawl spaces.The ground cover shall be <br /> twe�ty4our inches ato the frostlina,vfiichever is greaEer. overlapped lwelve inches minimum althejoints aid shali <br /> Above grade insulation shall be protected. extend to lhefoundation wall. <br /> 6ccepfion:Fa mondithicslabs,iheinsJation shall Euceptbn:The ground covermay be anitted in <br /> ezlend downwdrd fran the top of the slab lo the crawl spaces if the aawl space has a concrele slab <br /> bdtom of lhe toding. Aoor with a mirimum thickness d three and one-half <br /> 1317.6RadiarRFloars(onabalowgnde): Slabor�grade,'��;;� ���' <br /> insulal'qn shall[nctend daxnward fran the top of the slab a � 1314 Air Leakaga <br /> mininum d'siance of thirty•sx inches a doxnward lo ihe top d 1314.1 Buildirg ErNelape:The require'nents oi lhis section <br /> the footing and hwizontal for an aggegate of�d less than shall aRpy to building elemenls separabng condRiored from <br /> thirty-siz inches. uncondAioned spaces. 6Rerior joiMs eround windavs and <br /> If required 6y the buildirg official wheesoil coMdims door hames,apenings behveen vralls andfounda0on,beMeen <br /> warrant such insulatim,the entire area of a radiantfloor shall walls and roof ard wal panels;openings at penetratians d <br /> be thermaly isoiated fran the sdl. Where a soi gas corRrd u61ity servites through walls,floas,and raots;and all dhar <br /> system is provided below iha radaM fbor,which results in openirgs in the building envelopeshail be sealed, caulked, <br /> incmased cornedive fiow helow the radantfloor,the w6ant gasketed,or weathersMpped to limi ai leakaga <br /> Moor shall be lhermaly isolaled hom the sub-Noor gravG leyer. 1314.2 Gl�ing and Doas:Doors and o{arade glazing <br /> 1312 Glazirg and Ooors separetirg mn6boned from uncon6tbned space shall be <br /> 1312.7 SWndard Procedure fa Detarminatlon of GlarJng �. W�therstApped.Fixed windows shall be tight fCing with glass <br /> and Door LLPactore:LLfadors tor glazirg and doors shall tie��� �etained by stops wilh aealant a caullang all around. <br /> dAermhe4certifiedandlabeledinaccordancewithStandard Ezcsptbn:Operingsthatarerepuiedtobefire <br /> RS31 by a certified indWendenl agency licensed by the ���� <br /> Nalional FenesVafion Ratirv�Council(NFRC).Compiience 7314.3 BWldrp AsaembNea Uaedas Ducts a Pbrxxns: <br /> shal be based on the Residen6al orthe Nonresidertial Model g��di� aserntlies used as duQs orpienuns shall be saeled, <br /> giZe, caulked,:nd gaskeled to limi ai leakage. <br /> / <br />