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STATE ENERGY CODE REQUIREMENTS - ( PERSCRIPTIVE) � o
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<br /> R401.] Sco e, l'his cha ter a lies lo rvsidentiol huildir� x � 7 - - '
<br /> P P PP K � R4021 Specific insulatiou requirements (Nrescriptive). In adAi[ion to the requlremants of Seclion R402.1, R40.,4.LI Insfallafion. The components of Ihe A¢ilding diermof erroelope as listed in "CableR40_4.1.1 shall be gq03.3.3 Duct festing (M�uAatory). Ducts shflll be leak lesled in �ccordance wi[h WSU RS-33,i�sin;the maximmn =o �
<br /> ; insulation shall mee[ Ihe s �ecitic re uirements oCSections R402�.I throu �h R4022.1 L ; �ns[�IIeA in accordance with tlie manufacnver's instructions and the ai�eria listed in Table R902.4.1.1, as zpplicable �i�e[ leaka �e rates s ecified. Ecce lion: Tlie lot I Izak e te� r I � k � . h
<br /> R401? Compli�mre. Pmjects shall mmply witli one o(ihe followingl Sections R401 Ihrou�h k40A2. Section R405 nnd tlie � R b b V P a ag sl o ea ape ro t e ou�doors is no� required for Aucls �
<br /> to Ihe melliod of construclion. �Vliere required by thc code offici<d, an npproved tliird patly shall inspect all �nd air handlers localed anlirely within Ihe building thennal envelope. Foi forced aii ducis, a maximum of 10 linear -
<br /> provisions oCSectious RAOI thmu¢h R4041abeleA "blandaiory. '7n additioq dreellin,unils and sleeping uuiis in a resider�tia/ ' R4021.1 Ceilin s with attic s aces. Where Sec�ion R402.L l nould re uirc R-49 in the ceilin� installin R-38
<br /> iruilAirig shall romply wi�h Section R406. g � � � `� , ���nponent sand verify compliance. feel o(reWm Aucts and 5 linear Feel of supply duc�s may be locaretl ou�siAa the conditioned space. All metallic ducts �
<br /> �over IDO percen[ of the ceiling area requiring insulation shall be Aeemed ro satisTy [he requiremenl fm' R-49 IucateA oulside the condilioned space must have bo�h Iransverse and IongitudinaljoiNs sealed with mas�ic. If flex .
<br /> i R402,4,1,2 'feslin . The buildin�� or Awetlin�� uni� shall be [esled anA verifieA as h viii n ir I k r� f
<br /> RJ01.3CertiPente (�Iandnron��. .4permanentcertificn�eshallbecompletedby�hebnild�ro� re�isiereddesiynpmPessionafand ;�vhereverthefullheightofuncompressedR38insulationaxtendsover [hewallropplateat �heeavesThis S z ga a ea age �teo nut �iic�snrenscA, theycannolconlainsplices. Plexduc[ wmiectionsmustbemadewilhn}lonsuapsandinstalleA _ �
<br /> '7 �. exceeAin � i air chan es er ho ir. Testim� shalt be condu�te with blo�v r A or �� a �re �r f 0 2 in h � � 50
<br /> posledonawellinihespacewhe�etheCu�imceislorn�eA, aiitilitymom;oraoapprocedlocationio�iderhebuildiue. Whe� � reductimtrhallnotnpplytotheU-f�c�oral�eruauveapproachinSec[ionR40_13andtherotalUAaltema�ivein 6 & P � � d a e o � � ssteo . ces �ttb� � usingepinsticstrappi�etensioninglooLDucnlocsteAincrswlspacesdonolqualilyforthisexception. Awritten
<br /> IornteAona� elea�icalpanel, thecenif¢ateshallnotcoverorobstmcnhevisibiliryofthecircaiitdireGorylabel, servfce � Seclio�R402. 14. Pascnls).WhererequiredbythecodeuJJic�ial, teslingshalibeeonduc[edbyannpproi�cdihirdpa�Yy. A �a�itten �epoit repor[ oftheresultsshall6esignedbythepaityconductinglhe �eslanAprovidedmlhecodeofLleinL .�
<br /> Ai;connectlabel, orothermquiredlnbels. Thecenifirnteshalllist �hepredominantR-�;�Inesofinsulatieninstalledinoroii of�heresuhsoffhetestshallbes'ignedby �hepartyconduc[ing [hetes[ anAprovidedtothecodco�%�cinl. Pes�ing RJ03.3.4Ductleakage (Mantlarory�). Theto[alleakagcof�heducis, �vheremersnredinacmrdancewilhSec�ion
<br /> � ceiflnnhuo( walls, foundation (slab, belox�-grnde wnll, a�d,'oe tlooc) and duas outside w�ditioned spaces; U-f'anors Por � RA02.2.LL Loose insulation in attic spaces. Open-blow� or poured loose fill insulation maybe used in el�ic speces � shell be performed at eny time nRer cree[ion of all penelrations of the build7ug (hernml envelope. Once visual RJ0333, shall be as Poiloxrs: �
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<br /> � �h r h � I f h i � 3 �
<br /> (enes�rarion and Hie solu heat ain coefticient SHGC of fenesvation anA ihe resulr troin auv �ee uired duct s slem and buildin � : µ e e t e s o e o t e ce h❑ is no[ more than 3 feet in I_ and there is a[ least . 0 mches oFclenr Aistance from the I. Rouelrin test 'Co�al Icaka��e shall be less Ihan or e i I t J f�n 117 3 L�n � 9
<br /> B � ) I Y 6 P � I inspection has wnfrmed sealing (see Table R402 4.L I), operable winAows a�d doors menufactured by smnll qi a o e ( , , vn) per 100 square feel (. 29 u�2) of
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<br /> envelo e zir leaka�e e.tin �I in� �h ro o [he bo[rom chorA of the huss or ceilin ' ist ro Ilie inAersiJe of h h � f ��
<br /> p o t gdoiieonihebwd ,. W erethereismorethanonevalueforezchcomponent, lhecenificareshall p gJo t � es eadinoa[ theroofridge. : businessshallbepennived [obesealedoffa[ tlteframepriorlothetest. Duringmsting: LExteiiurwindo�vsand condiiionetllloorareawhentestedatapressurediffemn[ialoPo.linches �v.g. (25Pa) across [hesystem, incluAing
<br /> Iisltl�evzluzcoverin; thelar�estarea. Thecenificateshalllisttheropesandefhcienciesofhez�in„coolineandservicewarer j doors fre Iaceandstovedoorsshallbeclosed butnolsealed be o�dlheinlendeAwea�herstri im� orother �hemanufacturcr'sairhandlerencloswe. AllregistersshnllbetapeAorotherwisesealedduringtlielestlftheair � -
<br /> hentinq equipment. Where u gas-fired nnren�ed mom heater, electric furnace, or baseboacd eleclric hwter is installed in the R402.2.3 Enre bafila Fm� air penueable insulations in veiueA altics, a baRh shall be installed adacen[ b soffi[ nnd , ' P ' Y Pp ° h�nAler is nol iiutalled a� the time of the rest to[al leaka��e shall be less than or e ual l0 3efin 85 Vmiii er 100 �
<br /> . - . „ „ •, „ , . „ , , , . , � � , . ,. , . , , . : intillration control measures; 2. Dampers includiu; exhausl, intnke, makeup air, backdrztt znd flue Aampers shall be ' ° � ( � U � ��
<br /> residence, lhecenif¢ateshalihst gns-(rediinvenledmomhealer, �elecvicfomace or 'baseboardelettucheater, as � ea�e �ents. Battlesshallmnm�ainanopenin6equaloi �ieatcrlhanthesizeofthe �enLThebattlesh�dlextei�dovu squartfee[ (929mofcontlilionedtloorarea2. Poslconstrucfion [esCLeakageloonttloorsshallbelesslhanor � -
<br /> a m riata An efticiencv shall not be lislcd for �as-fired unvented room heaters electric Pomaces or electric baseboard hea�ers. Ihe lo of�he attic insula[ion. The baffle shall be ermitted to be an solid materiaL ' �bsed, bul not sealed beyond inlended iitfiltra�ion control measures; 3. In�erior doors, if i�istalled at [ha time of Ihe � � .
<br /> VP P . E , P P Y equal tod c6n(113 .3L'min)per IOU square feet O29 in') of conditioneA Floor area or rotnl leaka,e shall be less �
<br /> � test, shall be open, access hatches lo conditioned cra�vl spaces and condilioned a[[ics shall be open; 4. Exlerior �hnn or equal to 4 efm (f 133 L,�min)per 100 square feet (9 39 ni') of condi[ioneA �loor aiea when tested zt a �
<br /> SECTION R402 BUILDWG THERMAL ENVELOPE ' R4021.4 Access hatches anA doors. Access doors ffom conAi�ioned spaces to unconditioned space; (e.g., atlics and openinys Cor cominuous ven[ilation systems anA heat recovery venlilators shnll be closed and sealed; 5. Heating and p��essure differential of 0.1 inches w.g. (25 Pa) across Ihe enlire 5}stem, includin�� Ihe mznufacturer's air handl2r �
<br /> ,crawl spaces) shall be �ve�[her siripped and iiuulaled to a level equivalent �o the insulntion on the surmunding , cooling syslems, if installed a[ the [ime of Ihe rest, shzll be �urned ofQ nnA G. Supply and re[urn reois�ers, if installed �
<br /> RJ02.1 Ceneral (Prescriptive). The briilAiuF thernml m�relope s�mll meet the reqnirements of SectionsR402.1,1 ihmugh cncbsu�e. 111 re;ister boots shnll be tapeA or o[hernise sealed durin, Ihe fesL R40335 Ruilding carilies �
<br /> surfaces. Access shall be roviJed to all e ui ment [h�� reven�s dama��in � or com ressin�� the iiisulatiun. A wood at the �inte of Ihe [est, shnll be full o en. Exce tiunx L AAditions less [han 500 s uare feet of wndilioned flooe �•
<br /> NCO2.I.i, Exception: 1'he folloa�ing builAings, or ponions thereof, sepurateA fmm the remainder of the building by building � , P � � � e S P Y V P 9 (�A1andurory). Buildiog frami�e cnvilies shall nol be uscA as Aucls or plenunu. lnsiullalion of duc[s in txterior walls, (�
<br /> : trameA or c uivalenl baCfle or re�ainer is re uired to be roviAed ���hen loore till insulation is inslalled [he ur ose � area. 2. Addilions tes�ed with Ihe exislin�� home havinv a combined maxinnun air leaka �e rate of 7 air chan�es �er
<br /> t6ermal emelope assamblies complyin;wit6 ihis code shxll be exempt Gom t6e buildin� �hermzl eneelope provisions oi this � , � � P = P P S � I Floors or cailings shall nol displace required emelope insulation. RQOi 4 ,�lechanical system piping insula[ion Q
<br /> ot which is lo rev nt the I �e till in. �I i n fr i � i � i h � I�e��n � � � b
<br /> code:I. Thosewilhnpeakdesign �areofenergyusagelessthau3.4Btu/h • R2(l07W/melorl.Owattlf�' ofFloorarea (orspace P e oos siato onSpllmgntoteiiEspacewhenihcaltieaccessisopened, and � hom�. ToqualifytorthisexcepfioqthcAateofcons[nic�ionoCtheexisti�ohousemustbep�iortot1ie2009 (ilandarory). Mechanienlsystempipingcupableofcurryingfluidsaboce105°F (41 °C) o� below55°F(L3°C)shnll � .
<br /> conAitioninepurposes2. ThosethatdonmcontainconAitionedspace. 3. Greenhoiisesisolacedfromanyconditionedspaceand � �oprovideapermanenlme�insofmaintaininglheinstalleAR-v2lueoftlieloosefdlinsidation. Exception: Vertical ,, WashingronSiateEnergyCode. 2015Washingron5tateEnergyCode beinsulatedroaminimumoCR-6. Exception: Upro200 �eetofhydronicsys�empipingiiislalledwithin �he �
<br /> no� intended for oreupancv. �doors that provide access Cmm conAitioned to unconditioneA spzces shall be permitted lo meet the fenzslration cooditioned space maybe insida[ed wi�h a minimum of Yz-inch insula�ion wi(h a k �alue of�28. R403.4.1 � m (p
<br /> requiremenls of Table R402 L I. R4Q2.4.2 Fircplaces. M1ew wood-bwning fireplaces shall have fighPfrt�ing flue dampers or doon and ou[door Prolection of pipin� insulation. Piping insiJa�ion exposed to wenlher shall be pmtected Gom Aamage, induding Ih2[ � � �
<br /> R402.1.1 Invdntion and fenesirxtion criterin, The huilJirrR ihermal envelope shall ineet the requirements ofTable RA03.1.1 combustion air. When nsing tight-fi[ting doors on t�ctory-bnilt fireplaces IisteA and Iabcled in accordance wi�h UL caused bv sunli�h�, mois�urq equipment maintenance, and winJ, znA shall provide shielding from solar raAialion n � �
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<br /> based on�he dimale zone s ecifizd in Cha ler 3. R40_.l 2 R-val i oin ti n In d ti n m ri I I � R402 n
<br /> p p iec pu[ao . siao a[ea usedinlayers, suchas 1.SMasswalls. Masswallsforlhepurpuseso(thischaptershnll6econsidereAabove-,radawallsofconcrete � 127, thedoorsshall6e �es[edandlisledforthefireplace. Whereusingti�hl�trttingdoorsonmasonrytireplaces, the ihzlcancausedegrada�ionofthein��eriaLAdhesire �apeshallnotbepermiuedR4035Serviceho[ wa�ersyslems. ,
<br /> frzmin;cavity insulation orcoutinuous insulalioq shall be summed io compute ILe cortespondiog componem R-value.The bbek, eonere�e, insiJnted cuncrete fo�m (1CF), mesonry cavity, briek (other thnn 6riek veneer), earlh (udobe, . doors shall be listed znd labeled in awordance with UL 907. Energy conse�vatio� measures for service hol �veter syslems shall be In accorAance �ri�h Sections R403.5. I � � � �
<br /> mannfactu�er's settled R-rdne shall be nseA for blown insnlation. Compuced R-vnlnes shall not i�clude an R-value for other compressed earth block, rammeJ eatlh) and solid timbeUloes, or nny other 1 walls havino a heat capncity giea[er thmw,hR403.55. RA03.5.1 Healed waler circula�ion and �empeianne maintenance syslem (�Iandztory). Heated � -� �
<br /> � bnilAingmalerinlso� airfilmsWhereinsalaredsidingisusedforthepu�poseofromplyingwiththecantinuou� insula�ion ithanorequalmSBliJtl2x 'F (123kJAn3xK). ' R402.4.3AirleakageoffenesfratioaWindows, skyli�htsandslidinggla;sdoorsshzllhaveanairinfihra�ionrate waturcircula[ionsys[emsshallbeinaccorAancewithSeclionR40J.5.LLRF.262) Heattracekmperature � � � � .
<br /> requiremenlsofTableR402.LI, tl�emanufacmrermnstsupplyanlCCReportNiattheR-hctorhasbeencenified,orusxR-iper �. �, ofnomorethnn03cfinpersquarefm[ (I.SL/s�nu�,anAswingingdoorsiiomorethan0.5efmpersqu2refoo� (2.6 mainlenancesyslemsshallbeioaccordancewilhSeclionR403.5.L2Automalicconlrols, temperaturescnsorsanA O � � �
<br /> inchforexirudedpolystycene, andR�6peru�chforpolyisocyanu�acerigidinsulation. ., R402.2.6Steel-frameceilings, walls, xndiloors. 5teel-frameceilings, walls, andfloorsshallmeet [heU-facror L's,%ni'), whentestedaccordingtoNFRC400or .AAVIA,'WDb1A,�CSAIOt;L5�iA4906yanaceredi�ed, independent p�i�npssha�Ibeawessiblc. Manualcontrolsshallbereadilyaccessible. R4035.LICirculationsyshms. Healed � � � �
<br /> � requiremen�s of Table R402.1.7. � laboraror �nd lixtcd and lobeled b tlie manufactwer. F.xee hons: L Fiefd-fabriczted fenestration roAucls water circulation systems shall be provideA mith a circiJation pump. The s�rslem re[urn pipe shalf be a detlica[ed N (/l �
<br /> R402.1.3 U-facmr xlrernative. An assembly with n U-£actor equnl to or Iess than that specitied iii TableR502.1.3 shall be �, Y ` Y P p . � - . � t0 ,
<br /> penni¢ed ns zn aherna�ive to the k-raiue i� Tabla R40?.I.L � , («�indows, skylighls anA doors). 2 Custmn exferior fenesna[ion produc[s mznufnaureA by a smzll business provided rehun pipe or a cold water snpply pipe. Gravtly and �hermo�syphon nroulntioii systems sh211 be prohibi[ed Cun�rols O Z � �
<br /> torcimulalin, hot �caler rystem pumps shall >latl the pump bareA on tl�e identification of a demand for hot waror 0 �
<br /> ��. (hey mee[ the applicable provisions of Chapter 24 oCthe ln(erxn�ionnl HuildinA Code. Once visual inspection hes , p Z � �
<br /> wilhin�he oceu anc . The conhols shall auromatically turn off�he mu� when the x�a[er in �he circulation loo is at Z
<br /> R402.1.4 'Ibtxl UA allenmtive. If the lo�al hriilding therrrial errvelope UA(snm of U-facmr limes assemblV area) is less than or , R40219 Floors. Floor frainin � cavit insulalion shall be installed ro inain[aii� erinanent conlact with the underside �' contirmed Ihe presence ol'a gasket, operable winAows and Aoors manufactured by srnoll business shall be permi[ted P Y p � � � � •
<br /> equaltolherotalUAresultin, fmmusingtheU-facrorsinTableR402. 19 (multipliedby �hesameassemblyareaasi� the ' oflhesubtloordeckin . [nsidations'u ortsshalibeinstalledsosacin� isnonorethan24-inchesoncen[er. � tobesealeAoCfa� thefi�ame riortothetesL �hedesiredremperaturen�AwltenlhereisnodemanAforhonvaler. RA035.LNentlracesystems. Glectricheaf O �{ '� �
<br /> propored boildingj, ihe buildiny shall be considered incompliance wi�h Table R402.1.1. Thc U.taaors fo� iypical construction �` pp � �` P �rue syslems shall comply wi�h IBEf 515.1 or UL �U. Connols for such sys�ems shall automatically adjus! the � � r �
<br /> Foundalion vents shall be placed so iha� the top of[he vent is below the lo�rer sud�ace of�lie floor insulation. i O
<br /> assembliesareincludediuAppendixAinchaptzril-IICWAC. Thesevaluesshallbeusedto� allcalwlztions. Where roosed , R402.4ACombusfionairoenins. Whereoencombus�ionairducts rovidecombus�ionairtooencombuslion energyinpWtolheheatiracingtomainlaintheAesired �vaterteroperaliueinthepipinginaccoidancewilhlhe [imes ,� Z � .
<br /> P P ' Ezceptions: I. The tloor finming cari�y insulation shall be permitled to be in wntnc[ with the mp side of she�ihing � � P � P � when heate un r i i e in h c i n � - R� 5 2 � .
<br /> mnsiruc[ion zssemblies are not re resen�ed in A endis A, vnlues shall be calcalared i� �icmrdance tivith die ASHRAE { � � � d te s i sed 1 e o a pa cy. JU3. . Demand recircala�ion systems. A water Aistribu[ion syatem (7
<br /> p PP . . �, space ronditionm, fuel bummg applianca's, Ihe appliances and wmbu'slion 2ir openui,s shall be lucated outsids of Qp t0
<br /> , ; or connnuous msul2tion instalfed on the botmm side of tloor framing «�hcre combined with insulation �hat meets or havim� one or more recircula�ion um s thai um warer from z heated water su I � i e back ro the henieA a�arer �Tl
<br /> Handbook �J l�imdumen/alc u�ing ihe Gaming facmrs lis�ed i� Appendix A whare applica6le and shall incluAe ihe themial �� the building [hermal envelope, or enclosed in a room is isolaled Gom inside Ihe Ihermal envelope. Such rooms shall � � � N �p Y P P � �
<br /> brid�i�� effecG of Gamin m e�i I T 'H ' r ir m n sh II e in i � � n .A m li n 'exceeds the minimwn Wbod Prame Rwalue in Table R402.1 . 1 and exlends t}om tl�e bmtom to Ihe top of all source through a cold wa�er su I � i e shall be a demnnd reciiculation water systein. Puin>s shall have contmis � N :
<br /> g at a s. he 5 GC eqo e e ts a b el n addino to U co p a ce. W'hen using RES VP ) P V . I
<br /> ' be sealed und insulated in aceordance with Ihe envelope iequiremcnls of Table R402.1,I, where [he malls, tloors and � O �
<br /> checktlieU-£acmrscalcnlatedbv �hesoftwarebascdoncomonentRaaluedescri [ionsareaccetableForthebasebuildin � Perime�ertloorGamingmembars. 2, WhenFounda�ioi� ventsareno[ placedsothat �hempoffhevenlisbelowihe �hatcomplywilhbothofthefollo�ving: I. Thecomrolshallstarithepumpuponreceivingasignalfromtheac[ionof
<br /> � N � � ceiliii s shall meei the mininwm of the below- r�de wall R-value re ununent The door inro thc room shall be fully � A �
<br /> UAcalcula�ioq �hemaximwnglazingarcaisl5°/ of�haflouraren. � lowersurfnceof[hetloorinsufation, aperma�entlyaltacLedba}�7� sliailbeinstalleda[ ananeleofJO' Gum b 6 � � auserofzfix[ureorapplianee, sensinglheprcsenceofauserofatixtureorsensing �hetlo�a� ofhotortempered 00 . '
<br /> � ; horizontaL to divert air flow below Ihe lower surface of the tloor insulation, 3. Substanlinl con[act with the surface � vaske[eA anA any �vater lines and ducts in �he mom insula[ed in accoidance with Section R403. The combustion air �ti,Tler lo a f xNre fil[ing or appliance. 2. The control shall limi[ the ianiperanue of Ihe wa�er eniering the cold �varer N �
<br /> R407.1.5 Vx ior retxrJer. N'all assemblies in ihe huildrn thnrrnal vmelu�e shall com I witli the va or re�arder ce uirements duct shsll be insul�ted where i[ asses Ihwn�=h w�ditioned s ace to a minimum of R-8. Exce tions:L Direc� vent 0 �
<br /> � K � P Y P � � being insulareA is' not required in tnclosed tloor/ceiling nssemblies containing ducis whcre full R-value insula[io� is P P � piping to IOJ`P(40 °C), R-003.5.7 Flot waler pipe insulation (Presciiplive). Insnlation tbr hof uater pipe, both within 0
<br /> of Section R 702. 7 o(tlie/nien�utioi�nl Residrnlinl CoAe or Section 1405 3 of ihe lnterrratimral P+rildiig CodG as applicnble. � � � appliznces with botli intake and exhaus[ pipes ins[nlled wminuous [o �he outside. 2. Fireplaces anA sroves and ou[side the condi[ioned space, shall have z minimum Ihermal resisiznce (R-value) of R-3. Exception: Pipe O �
<br /> r mstnlled between Ihe ducl and thc extecio� surCace.
<br /> � canplying wi[h Section R402.4 2 and Section R1006 of the Intemationa! Residentinl Code. insulalion is permiUed to be discon�inuous where it passes Ihmugh sluds,joisls or other s[ructural inembars anA 0
<br /> TABLE RJ02.I.I � . ' O
<br /> � IRSUI.4TIOV AYD FENES]'RATIOV RF. UIRF.YIF,NTS B1'COMPOAE\T R402.2.8 Beloro-grade walls. Bebw-grade extenor wall iiuulntion used on Ihe exterior (colA) side of�he wall shall where the insulateA pipes pass olher piping, conduit or e�ents, provided �he insula�ion is ins[zlled tight to each 0 •
<br /> Q i RJ02.4S Recessed lighting. Recessed lumin�ires installed in [he Auilding Ihennnl rni�elopc shall be Type IGraled ��siniclion. OD
<br /> - �exrend Gom Ihe mp oClhe belo�wgrade wall lo the top of[he footin� nnd shall be approveA for below-grade use. .
<br /> and certitied under A51'M G283 as havm, an nir leakzge rate not more than 2 0 cfm(0 944 Lis) when tes�ed a[ a L57 Bq035.4 Drzin waler hea� recovery units. Uraiu wzter heat rewvery unils shall comply with CS.ASj2. Drain �rater �
<br /> CLIAIATF 70NE 5 AN�iy.Q2IVG 4 �Above-grade insulation shnll be pro[ecteA. Insulation used on Ihe inlerior (warm) siJe of�he wall shall estend Irom N �
<br /> -- �he top of the below-grade wal I �o the below-grade tluor lerel and shull include R-5 ri id board rovidin � a Ihermzl - Psf(7S Pa) pressure differcntial anA shnll have a label a�tached shoa�ing compliancc with this test me[hod. AII hea� recoo�ery units shalf be in acmrdance �a�ilh CSA 55.1. Polnble wateo-sidc pressure loss of drain wzler hezt
<br /> FF,NESTRATLON U�FACTOR 6 030 � P b ' reeessed lumineires sholl be sealed with a gasket orcaulk between [he housing a�d the interior wall or ceiling recovery u�its shall be less than 3 psi (20. 7 kPaJ for individual units mimeded lo o�e o� two showers- PoMble
<br /> SKYLICHP b U-FAC'IOR OSO bienk behveen the conci'ete wall and the slab. . . .
<br /> � � covenny. w2[ervsiAe pressure loss of tlrzin �cater hent recovery unils shall 6e less than ? psi (13.8 kPa) tor inAividual units -
<br /> GLAZGD FENESiRAl'ION SHGC b,e NR ; R402.29 Slab-on-grade ilours. The �uiuimum [hermal resis[ance (R-value) of the insulation aroiind the perimeter connecreA lo Ihme or more showers. �
<br /> CEfLWG R-b'ALUE k '�9 of imhe�ned or hea�ed slab-on-grade tloors shall be as s ecitied in 'fableR402.I .L The insulalion shall be IaceA on � R402.5 Ma�imum fenestration C-fnetor (61andatory). The ama-weighted averege maxi�nwn fenesha[iun U- R403.55 Elec�ric �cater hea�er insula[ion. NI elechic watcr heale�s in imheated spaces or on conere�e floors shall be . �
<br /> N'OOD FRAME N'ALL' m,n R-VALUE 21 inl � P � � (aclor permlltcd usine tredeo(ts f}om Seetion R402. I A or R405 shall be 0.48 for vertieal f'enes�ratioq and 0.75 for placzd on an incompressible, insulated swface �vilh a minimum thermal resistance o(R-10. �
<br /> Mass \Vall R-Value i 21!2I i Ihe outside of�he founda[ion or on the insiAe of[he foundalion wall. '[he insulation shall extenJ downward fiom [he � �
<br /> ro of the sI26 for a minimum distance ai shown in [he lable or ro Ihe ro of�lie Footin whichecer is' less, or skyli�hts. RA07 6 Mechanicnl venlilalion (ManAatory). ihe buildiny shzll be proviAed wilh ventilzlion iha[ meets the y
<br /> PLOORR-VALUL 30 P V B� � n
<br /> BELOW�GRADF c,m WALL RNALUE I0.75/2 L inc+'PB � � dow�nvard ro at Ieut fhe bonom oPthe slab and Ihen horizontall to the interior or ex[erior inr tl�e total distance �eqnireme�[s of�he Ime��nnlio�al Reside�fial Code or Intemaliunal Mechauical Code, es applicable, or with o1M1er m ' �
<br /> Y �� SECTION R403SYSTEMS approved means of ventilation. OWAoor air intakes antl exhnus�s shall have aulomatic or graoily da�nper, that close o �� �
<br /> SLAfi d R-VA[,UE & �ENTH Iq 2 ft ; sho�vn in the �able. A two�inch by he�o-inch (maximum) pressure treated nailer inay be placed at the tinished tloor ' R403.1 Contruls (ManJaturp). At least one Iherinos�n[ shall be provideA tor each separare heating and molin, �vhen Ihe ventilalion system is nul operating. � � � �� ,T� m
<br /> Por SI�. I Poot= 30d.8 mm, ci = continuous insulation, iot= inremiediate Raming. elevation 1'or attachmenl of interior finish marerials. Insulalion extending zwav Gum �he building shall be pro[ec�ed , system. a, � �' '
<br /> R403 6.1 Whole-house mechanical ventilation system fan efficacy. blechanical centilation rys[em fans shall meet i z m
<br /> aR-valueszremi�imums. U-facmnandSHGCnremaximnms. Whaniisulationisinstallzdinacavityn�hich � bypavemw[ orbyaminimumofl0inches (254mm) ofsoil. ' R407.LtProgrammxblethermostxLWhere �heprimaryheatingsVsremisaforced-airfurnace, a� leastone iheefticac re�uiremen[sofTnbleR403.6. LEzce [ion: WheremechanicalreNil.lionfansareinle �raliotes�edand � � m `"
<br /> is less than [he label or desi n thickness of the insulntion, the com ressed R-value of the insulafion from � Y � P �' � � o � '
<br /> ;1 endix fable AIOIA sha I not be less tha�i Ihe B-calue s ecitieA in ihe table. �;. thennoslat per dwelling unil shnll be cap�ble of controlling the heahng and cooling sysRm on a daily schedule to IisteA HVAC equipmenl, Ihey shall be powereA by an electronically commutaleA momr. p m � a
<br /> PP p R402.2.9.1 fleated sln6-on-;rade floors(J'Iandfl[oq'). The en[ire 2rea of a healed slab-un-grade tloor shall be inainlain difterenl temperature se[ points al differenl times of�he day. The thermos[at shnll allow for, ,t a ininimwn, q'pgLE It403.6.1 �
<br /> e The Cenestration U-factor column exchides skylighis. The SHGC wlumn applies to nll glnzed &nestration. ' ihermafly isola�ed IFom Ihe soil with a minimum of R-10 insula�ion. "fhe i�isula[ion shall be an appmred product for I i �J �
<br /> . "10/IS/21 +TA" means R-10 continuous insulation on the extzrior of the wall, or R-IS continnous insulation 3 , a 5�2programmable schedule (weekdzysiweekends) aiid be capable of proviJino at least nvo progranunable selback 4IF.CFlANIC.AL VEN'f IL.ATION SYSTEM FA� EFF[CACY -.�� /
<br /> its intendeA use. If a soil gas control system is presenl beb�v fl�e heated slab-on-grade tluor, which results in eriods >er Aa This [hermostat shall incluAe the ca �bilit lo sel back or tem oraril o erate the sysrem to FAN LOCATION A1R FLOW RATE MINIb1UN MWlV�IUNI f PFICACY t,� �
<br /> on Ihe interior of�he wall, or R-21 caciry insulation plus a ihennal break benveen ihe slab nnd 1he . P � Y� P' Y � P >' P - �
<br /> base�nenl wzll at Ihe interior oFthe basement �vall. "IO!ISi21 +7B" shall be pamiiaeA m be met wirh t �����eased ronvective tlow below [he healed slab-omgrndc floor, Ihc healed slab�on-grnde tloor shall be ther�nally inainfain zone lemperztures down to SS'F (13°C) or up b 85°F (29°C). The Ihermostat shall initially be RATE b1AXfh1UM
<br /> h
<br /> ' R�13 ceviry i�sulation on the inreeior ofdiebzsemenr�eell pLus R-5 eontiinous i�sulation un ihe inreeior �solnteA firom the sub-�slab grnvel layee. R�10 heated slab-on-�rade (loor i�sulation is required fo� allcompliance pcoarammed by Iha manuf�ctm�er wi[h z heating temperaME sG poio� no higher than 70°F (21 °C) and a cooling (Cf M) (CPM/WATT) (CFM) � � _ -
<br /> or ezrerior ofthe n-all. "TB" means thermal break bemeen Floor slab nnd basement u�alL �� paths. teinperalure srl poin� no lower than '78'F (2G'C)The tliermostat and�or control rystem shnll have an adjus[abte AeaA Rzngc hoods Any 2.8 cfm4va[t Any d = ��
<br /> e R-10 continuous insulmion is requireA under healeA slab un g�ade floocs. See R 402 .2. 9 .1. t , banA of nol less �han l0`F. F,zceptions: L Sys�cros wntrolled by an oceupant sensor �hat is cap.ible of shutling �he In-line fzn Any =.8 ef�nhcatt Any �� '� ;', ,
<br /> zTheee aeeno SHGC eequirements i� the Ularine Zone. R402.2.11 blasonry veneee Insulotion shall uot be required on ihe horizon[al ponion of�lie foundalion ihat � sys[em off whe� no occupnnt is senseA for a period of up to 30 mi�utes. 2. Systems cun��nlled solely by a manually Bathromn, utiliry mom 10 IA efn�/wntt <90 � �� � � .
<br /> t Reserved. � supports a masonry venecr. ' oper�teA timer capable of operating Ihe system for nn more�han two hours Batluooin, utility iooin 90 2.8 cfmhva[[ A�y ��� .
<br /> � ResereeA. � R403.L2 fleaf pump supplementnry hent(i�tandamrp). Unilary air cooled heat pumps shall include controls that ft403. 7 Fquipmem sizing and efliciency raling (Mandatory), f Italiny anA couli�5 equipmen[ shzll be sizeA in a �D '�
<br /> n ReserveA. � R402.3 Fenestrxtion (Prescriptive). In addi�io� to tha requirements of Section R402, fenestraCion sh�dl co�nply minimize su lemental heat usa�e durin�� sim�[-u ., set-u , and defros� condi�ions. These controls shall an�ici�atc acwrAance uith ACC.A Nlanual S based on baildim� loads calculated in accordance �vi h ACG4 M� n ml or h r � �� .
<br /> �Thx serond R-ralue applies when more than half the insnlation is on tlie interior af the mass wall. with Sections R4023.I throueh R402.?5. �'N o e P P 4 0 � � � 1 o� e o� ��r�
<br /> i Reserved. � neeA tor hea� and use wmpression heating as (he tirs[ stzge of heaL CoNrols' shall inAicale when supplemenf�l upproved heanng anA cooling calculalion methoAolugies. 'Phe oulpul capacity of heatinE and cooling equipment �gtp .
<br /> �� hea[in i� beii�3 used through visual menns e LGD indicarois Heat mn s e<ui ed with su lemen[ary shall nol be erealer than Ihal of�he smalles� a�ailnble e ui ment size Ihal exceeds �he foads calcnlated, includim� " n� �
<br /> e For single rnftery orjoisbvaulted ceilings, the insulztion may be reduced ro R-38, � RJ02.3,I U-factor. .An area-u�eigh[ed average of fenestration proAuc[s shall be pennit�ed ro satisfy the U-factor � � ��' �� P N � P� PP � P , � '
<br /> , i Rese�ved. � �� heaiers shall be ii�stalled with con�rols thal pievent supplemental heateroperation above 40°F. At fmnl inspection allow able oversizi�; limits. New o� replacemenl henti�gnnd cooliny equipment shall have an efficiency rati�g� °�' � D � J
<br /> � rcquira�neirts.
<br />� the aaciliar � heal lock out control shall be sel ro 35'F or less. - n �
<br /> m lm. (intermediaie Raming) denotes slandard fia�ning 16 inches on cenrer with headers inndaleA wiih a ) equal ro or erealer[han the minimum required by federal law tor�he geographic loca[ion where [he equipmeut is in� �
<br /> minimum uFR-10 insulation. RA02.3.2 Clazed fenestnition SHCC. An area-weiehteA average of Fenestration products more than 50 percent � R403.2 Hot water boiler ouldoor temperature setback. Hot water boilers �hal supply heat to Ih ebuilding Ihmu�h inslalled. W
<br /> , Lugandsolid �imberwnllswitharttinimumaverngethickoessof3.5inchesareexemptfmmthisinsulation one- orhvo-pipeheatingsystemsshaflhzveanuutdoor [emperalures'e[backcon[rol �ha[ lowe[s' theboilenvala[ R403J .IEIectricre5isiancezonehea�edunits. .411de�nchedone- and [wo-familydwelliny> andmulliplesinele- -
<br /> re�uirement. �glazed shall bc permitted ro satisfy Ihe SHGC requirements. , , � �,
<br /> I �, tentpera�ure bzseA on Ihe outAoor tcmperznne family dwellin,s (iownhouses) up to three s�ories in hzight above grada plan usm� electric zonal heanng ns the > a
<br /> �� R403.3 Ducts. Ducn and air hanAlars shall be in nccorAance with Sec�ions R403.3.1 Ihrou h R-0033.�. 2075 rimary heat source shall install an imetler-driven duclless minis lii heal um in the lu est zone in Iht dwellin . �
<br /> TABLE R402.1 7 6QUIVAI ENT U-FACTORS a R402.3.3 Glazed feneshatiun esemption. Up ro15 square fee[ of glazed tenesvation per dwelling unil shall be 6 V p p P g g �
<br /> permilted [o be exemp[Trom U-facror and SHGC requirements in SectionRJ@.L I. This exemption shall not apply i R403.31 Insidnfion (Prescrip[iveJ. Ducts outside [he building [hermal em�elope shnll be insulat�d to a minimum of Bnilding pennit draninys shall specify [he heating equipmenl p�pe and location of�he heating system. F,xcaption:
<br /> CIIbIATE ZONE 5 AND b1.4RNE 4 ' R-8. Ducis �vithin a conerete slab ur in the round shall be insulated ro R-10 with insulation desi ned to be useA To1al installed heating ca acil ofZK w er d�cellin or less. du�v e, zots
<br /> FENESTRATLON 0-FACTOR 0 30 ;b the G-factor alternntive tipproach in Section R402. I 3end the�otal UA ehernntive in Sectiun R4U2 I A. , K � P Y P B . �
<br /> SKTLIGHT U-fAC10R 0.50 �� below grade. Gxception: Ducts or porhons tliartof located complelely inside thc buildiny lhermnl em-elope. Ducts R403B Sys�ems servmg multiple Awelling unils (Mandatory). Systems sere�ing mulfiple da�elliny umts shall comply
<br /> CEILIKG U-FAC'COR 0 026 � R402.3.4 Opaque door exemption. One siAe-hinged opaqne door assembly up to 24 square fee[ in area is exempteA I locz[ed in crawl spaces Ao no� qualify (or this eueption. �vith Secfious C403 and C404 of the WSEG-Commercial Provisions in fieu of SeqionR403.
<br />. F 4AIE �ALL '-F' ,T 00 1 � (rom (he U-f2ctor requirement in Seclion R40?.l.l. This esemption shalt no[ apply lo tlie U-fac[or altemati�e ' R-003.32 Sealing (�1anAntorv). Ducts, nir handlers, and fdter boxes shall be sealed. Joints and seams shall compfy R4039 Snow mel[ rystem contmis (4landatorv). Sno�c anA ice-melting systems, supplied throueh 2nergy strvice to � � i
<br /> N'OOD R i N � AC OR . 56 M1 ass l4'all Z m
<br /> U-FACTOR 0 U56 zpproach in Section R402. I.� and the totul UA al[ernn[ive in Seciion R402. ���idi either the 6urrrinNor�nl:bfrchnnicnl Code or lnicr�rnlimml Rrsidenlinl Code, as applicable Esceptions: l. Air- Iha buildin�, shnll include aulomatic conlrols capable of shu[tin, off the system when the pavemeni temperature is i m y
<br /> impennenble sprny foain proAuc[s shall be permi[[ed to be applied withoui adAitional join[ seals. 2. For ducts having above �0°F, a�d no precipitation is falling and an atdoma�ic or manual con�rol Ihat will allow shum(f when Ihe m � �J
<br /> FLOOR U-FACTOR 0 0?9 �
<br /> BEI,OW-GRADE WALL U-�AC70R 0 042 � R402.4 Air leakage (NlanJatory). The buildine thermal envelope shall be construcled b limi[ �ir leakage in a s�alic pressiue classilica�iun of less than 2 iiuhed of water column (500 Pa), addi[ional closure stiste�ns slmll nol be ouldoor lemperalw'e is above 40°F. R403.10 Pool and perinanen� spa cnergy mnsumption (Mandatory). Pools and " � �
<br /> a Nonfeneslmliwi U-(acrors shall be obtained fmm measuremem calwlation or an a roeed son�ce or as s ecifed in Section R � �ccordance with [he requirements of Sections R40?.4.t Ihmugh R402A.4. required for continuously wetded joinls and seams, and lockine lype joints and seams of other tlian Ihe snap-lock pemianen[ spas shall comply wilh Scaions R403.101 throughR401 .144.2. � �
<br /> ��� � 3 ' �P P ' and button-lock types. Rd03.IV.l Henrers. The elecuic pawer �o hea�ers shall be coNrolled by a rendily aceessible onroff swilch that is aii • (7
<br /> R402.4.IBuildin� thermalem�elope. Thebuildiii�; Ihernirdcni�elopcshallconiplywithSectionsR402.4.Lland R403.31JSealeJairhandler. .AirhandlerSshallhaveamanufacturerSdesignafionfornnairleakageofnomore inicgralpzrtof[heheatermoun[edontheex[eriorofthehealeeorexlernnitoand �cithin3feet(91Anun) of'Ihe �
<br /> b RescrveA. R402A.I ;1. 'Phe sealing me�hods between dissimiler materials shalf allon fo� ditierenti2l expaosiou and co�l[ac�ion. thsm 2 percent oCChe desi�� air Flow rnre wht� lasted i�i necurdance with ASHRA6 193. heetu�. Operntion of sucli swilch sLall nol cha�ge the settings oCthe � �
<br /> c Rcsecved_
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