Laserfiche WebLink
200 � 3shington S�ate Nonresidenlial Energy Code C pliance Form <br /> • � ' - � <br /> 2GC1 Wasmngton Sta!n Nonres�Jential Enorqy Code Compliar¢e Porms RwiscM Juna 2002 KJM <br /> Envelope - General Requirements <br /> 7317 Insulation Produci samples used for LLfactor determinations shall be <br /> '1311.1 Installation Requirements: All insulation materials Production line units or representative d units as purchased by <br /> shall be installed according to lhe manufacturer's insWctions �e consumer or wrrtractor. UrJabeled glazing and doors shall <br /> to achieve properdensities,maintain clearances, and maintain be assigned thedefault U-fador in Section 2006. <br /> unrform R-values.To the maximum eztent possible, insWatica �3�2•Z Solar Fleat Gain Coefficient and Shading <br /> shall ebend over the(ull mmponent area to the irriended R- Coefficient:Sdar HeatGain Coefficient(SHGC), shall be <br /> value. determ ined, certified and labeled in accordance vrith the <br /> National Fenestration Rating Council(NFRC)Standard by a <br /> 7311.2 Roo(/Cciling Insulation:Open-dovm or poured loose- certified, independml agenq, Fcensed by the NFRC. <br /> fill insulalion may be used in attic spaces where the slope d <br /> the ceiling is not more than 3/12 and there is ai least lhirty Exception: Shading ccefficients(SC)shall be an <br /> inches of clear distance(rom the top of the borian chord of the acceptable atternate(or compliance with solar heat <br /> truss or ceiling jort to the underside of the sheathing at Ihe gain coefficient requirements. Shading coeffdents <br /> roo(ridge.When eave venls are installed,baffling of the vent for glazing shall be taken fran Chapter 27 0( <br /> openings shall be prrnided so as to deflect the incoming air Starn�ard RS27 or from Ihe manufacturers test data <br /> above ihe surface of lhe insulation. 1313 Moisture Control <br /> Where lighting(xtures are retessed inlo a suspended or 1313.1 Vapor Ftetarders:Vapor retarders shall be installed on <br /> exposed c�rid ceilirg,lhe rod/ceiling assembly shatl he the vrarm side(in winter)of insulation as requir�by this <br /> insulated in a la2tion other than directly on the suspended section. <br /> ceiling. Exception:Vapor retarder installed with nol more <br /> Exceplion: Type IC rated recessed lighting fztures. lhan 1!3 of the nominal R-value between it and the <br /> Where installed in wood Garnirx�,faced batt insulation conditioned space. <br /> shall te face staped. 1313.2 RooflCailing Assemblies:Roof/ceiling assemblies <br /> 1�11.3 Wall Insuialion:Exteriw wall cavilies isolated during �v�re the ventilation space above the insulatbn is less than <br /> framing shall be fuly insulated to the levels otthe surrounding an average of hNelve inches shall be{xovided wilh a vapor <br /> walls. When installed in wood framing,faced batt insulation retarder. Roof/cetling zssemblies withoul a vented airspace, <br /> shall be face stapled. where neither the roof deck nor the roof stmcture are made d <br /> Above rade exterior insulation shall be pro�ected. W�d, shall provide a continuous vapor retarder wdh Wped <br /> 9 seams. <br /> 1311.4 Floor InsuWtion: Floor insulation shall be installed in Ezceplion: Vapa relabers need not be prwided <br /> a pertnanent manner in substantial conlact with lhe suAace where all of the insulation is inslalled betweea the <br /> being insulated. Insulation suppotls shall be irstallcii so roof inembrar�and the strucWral roo(deck <br /> spacing s not mae than iwen�y{our inches on center. <br /> Installed insWation shall not dock the airAow throu9h 1313.3 Walls:Walls separating conditioned space(rom <br /> foundalion vents. unconditbned space shall be proHded with a vapa retarder. <br /> 1J11.5 Slab•On�rede Floor. Slab-oo-grade insdation 1713.4 Floors:Floors separating conditioned space from <br /> install�insdc lhe foundation wall shall extend dowrrv+ard from uncondifionEd space shall be provided with a vapor retarder. <br /> the top of the slab a minimum distance o(hventy-four inches a 1313.5 Crewl Spaces:A ground cover of siz mil(0.006 inch <br /> to the top d the footing,wfiicM_ver is less. Insulation installed thick)black polyethylene or approved equal shall be laid over <br /> outside ihe foundatinn shall eMend downward a minimum o( the ground within aawl spaces.The ground cover shall be <br /> hvenry-lour inches a to the Bostline,whichever is greater. overizpped lwelve inches minimum at lhejoirris and shall <br /> Above grade insulation shall be proteded. eztend lo lhe foundation wall. <br /> Ezception:Por monolithic slabs,the insulation shalt Exceptlon:The ground crner may be cmitted in <br /> extend dw.�nward from the top of Uie slab to the crawl spaces if the uawi space has a concrete slab <br /> bottom of the footing floor with a mirtimum thickness of thra and one-hal( <br /> 1�11.6RadiantFloors(onorbclowgrade�: Slab-orrgrade inches. <br /> insulation shall extend davnward from the lop of the slab a 1314 Air Lcaka9e <br /> � minimum distance of thirty-six inches or tlovmward to the top of 1314.1 Building Envelopr.The requirements of Ihis section <br /> the footing and horizontal for an aggregate of not less than shall apply to building elements separating conditiored irom <br /> thirty-siz inches. unconditioned spaces. Ezterior joints awund windavs and <br /> If required by the building offcial wheresoil condAions door framzs, �enirx3s tetween walls and foundation, betvreen <br /> warrant such insulatioq lhe entire area of a radiantfloor shall walls and roo(and wall panels;openir�s at penelralions of <br /> be thermally isolated from the soiL Where a soil gas contrd ulility services through walls,floors,and roofs; and all dher <br /> syslem is provided helrnv the radiant floor,which results in openings in ihe building envelope shall be sealed, caulked, <br /> increased convective flow belav the radiant floor,the radant gasketed,or weatherstripped to limit air leakage. <br /> floor shall be thermalty isolated from the sub-floor gravei layer. 1314.2 Glazing and Doors:Doas and operabte glazing <br /> 13�2 Gluing and Doors separating conditioned fmm unconditioned space shall be <br /> 1�12.1 Standard Procedure for Delennination of Glazing weathersMpped. Fixed windows shall be tigM fMing with glass <br /> and Door U-Factors: U-factors for glazirg and doors shall be retained by stops vnih sealant a caulkng all around. <br /> determined,certified and labeled in accordance with Standard 8xception: Openings that are requued to be fire <br /> RS-31 by a certified irr�ependent agency licensed by ihe resis.tant. <br /> National Fenestration Rating CowKil(NFRC) Corrpliance 1314.1 Building Assemblies lfsed as Ducts or Plenums: <br /> shall be h�sed on the Residential or the Nonresidential Model guilding assemdies used as duds or plenums shall be sea�ed, <br /> Size. caulkai, and gasketed to limit av leakage. <br /> ��p <br />