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._ ......_ :._ . . _. <br /> ,. _.:_ .._: ----- ---_----___ ._..-- _ _ . i <br /> Q ����.2.��as�rrte�Y Vtl�11s R4D2.2.� aasern��t i��lls - - - _ _ __ ..._..__._... .. ❑ R4�0.�.2.9 Si�b-��►-�Zr�d�Fl�ors , . <br /> ,���°� 4 2 j , ' <br /> Below-grade exterior waiS insu{atian used on the exteriar{cold) side of the v�ral[ shall extend ; <br /> ; , ° � � � � �� ' '�°'�'�� ° The r�7inimum therma! resistance(R-value� of fihe insulation around the perimeter of unneated <br /> � Recomrnendec�uralf�sserrrbl� ' ; ' <br /> from the top of the befovv-grade wail to the top ofi the footi�g and shali be appraved for below- � �:� � ���"" � �� �� � <br /> � ;� t` - �` � or he���d slab-on-grade floors sha!! be as , ; <br /> ,� • ' � ' � ��` � � R-13 ba�t applie�i aver ft-5 foam _._._...._.. ... .__._..... . ..._ . . - <br /> ... _. .. _ .... ... .. .... <br /> grade use.Above-grade insu4a�ion shali be protected. 4nsuPation u�ed on the interior(warm) � ; > , � �_�� # F� speciFied in Tab{e R402.2.1.The insulation l <br /> side af�he wall sha!(�xxend from the top af th�belovv-grad�wraB9 tv the below-grade floor leve! � � j $ "� � ¢�� s ? ;� shaii �`'e placed on the outside flf tt�e i <br /> . . . . . � ,� Y x � -�s <br /> ar�d sfiali tnciude R-5 rigtd board prov���ng a thermal break between the conerete wali and the T ��,, � � � � <br /> � ; . � �:s �- � � 'y � faundation or�n the insid�ofi the � _� �;` <br /> slab. � _ „ <br /> � ;. � :k � fi foundation wall.Th� insutatian shai3 � � � <br /> � ` " - <br /> � <br /> x �� <br /> ... .... ..... ... ..._ ...__ .. ....____ .. ...---- - _ _ - --------- --.__ _,: _ < o r e <br /> . .__ ._ ._---_..__.---�----__...—--- -- . _.._ ._. _. ... ._ ..__._.__ ... e <br /> :z z�;� � x � �a,� <br /> ��. <br /> ,�����,� ;_:.;� ._. .. ,�...�.���: -:. ,.. ::. �� � F f _ . ,a� �> <br /> ,-; ,.. � , .. �� � ',� <br /> e�end d wnw�a d from th top of th � � l � <br /> ....;. .. .; ,. .,.,._ v,,3 R402.2.8 8asernentwalls � �:: r ,�• ::: .. � .._,. � °=� f <br /> � � <br /> � �.5; ,:� �,� slab for a minimum i .�'� � :-~�� �,�rt <br /> r ,�;, f v:: ,a 5 �'1QWf1111 i x:� r �}_3 s�s� <br /> ,;•-< �.�3 x _ 3B. d$tr���e a �a �:� r <br /> �y''`;� ,�.. £xterior insulatian�-Zt3 cnr�tinuous � � - <br /> � .. --�° s: r� �. _ � � :ti � ";�� - , <br /> :t.�?ek"�'�! . � -,x� r. r`=` `'� . � '��X� F` � � a��£fl�" o � '� �'�x �` :y`="'- <br /> �> �. �Y ;�- . ,�s E„ � _ � h t t �h�top nf the footing, :�,��, � :,�� s _ � � �� <br /> �.M , � <br /> . . { <br /> � kv'.`"�� ' ' ��' .�.�5 ...:�� :_ _. � �� ;l[ �. � _ c.f" & ?:M1` `'tw�'��� . <br /> ."i zx;..;.r- �-:-d -'. �Y fi.: '. � L er� a�` a��.,���_'"��'. �s� <br /> �frr s 3°'�T x � � > ' .:.� � = �, - 5� W rd to at IeasC � ;�. .`e�'� '�' � <br /> ' . , � .�., . h'..� f' s: � ...� � -� ; y'^.�. �. <br /> . :�. �.: � . -: .. k _ <br /> -.�.�:�� .'�> .. � F -. t .", �(_� r � �`�� <br /> which v 's tes vr da nwa 4 <br /> :: , , ,� � '; . s� <br /> � <br /> f �- _ <br /> _ _ � � <br /> z t s � �,�� � �;� � � the bottorn of th+e sfab and then ���;'� �y � `� �f �� �� ��� <br /> '�� �� � .. � � =�z, � � ,� , ;,�.- ;� ;�`� �,;;� <br /> ar <br /> ; <br /> ,�Y � � ;� r� �<���` � � �lOi"IZOf�t�l� to the interior or X ��.�"� # ��, '� j' '��' �`�. �� �i ; <br /> �..�. � � : � ��:,�,�, � Y e #erior for � � � <br /> '' �, 2 � ;, j �, r �,� «.u� � � �� � ;�.-�'�'� �, � .'� <br /> .��Z .���_� 4 = �' a� � the tot�l dist n - � �.:- � 3 <br /> � , # a ce shawn in the table. A � ;� �-��. ,_ ��Y�... �,� � ��� ��. <br /> �L` .)�' v y...� !� . '"7 � � .a_ �j.i �S .� _ ..<- � �T�- ... � � :5,. <br /> � � X,:' � � �.�� .:.� �� two�inch by twa-inch {maximurrt) R4�a.2.9Slab-on-G�ade�(aors <�� } .�; <br /> �''= ' \ ;� � �,t� � : �� ��'� �rt <br /> �4 £ : �.. �,��� _ pr�ssure treated nailer may be plac�d at . _ _ r dp�tted�oundat�or��nsutat►an on o mo.,ol;tt►,es�n�, -���. ,�� -� �� <br /> . : ��, � , :.. , . ��. : �': _- -- __.._---- -----------______�_...---- - —__ _ `"�.y u ,j� a,r�:: <br /> _ <br /> , ; �x�� �� `_ . ��". air�'�' the finished itoor eleuation for attachment of interior finish materiaEs. insutation extending ��: � �`�� <br /> �..r -r Y � .: w�Furts�v �`�. � <br /> ..' � <br /> `� _ �, ,.`� `-'� � tx - � , "� away from the building shalf be protected by pavement or by a minimum of 1fl inches {254 mm) �`'"� �'��� � <br /> ;. . � ���A : � <br /> ' $ of soil. � �' <br /> ��� �i� <br /> ° � � �nterior in.sutation�-1$rontinuous � � � � � �� � -� <br /> , � �; � ,� �� � � � , . � . 4 � � � � � � <br /> � t , � �-� ���� �� � < , � � � � � <br /> :'�,r f�� � .aT�z a"� � � "c a � v . . .��, � . <br /> ;y �j� { � �"'�� t. � > »�a { � 1 � p/y �4 �} g i ���."�# <br /> , �i��t t"�x 4 �" '� ¢x �.� �� Y�-s�,� � �,R �� � 3 f , _ �� ��� � r ❑ �'#61�.�.1 $J�1 r���r , � �..� �� t�-.. �;. <br /> ; � ' �, � ,,.�¢ $ x� : f � : `` � •. ° ' -� ' An area-vveightec�average of fer�es�ration roducts sha4l be ermitfied t�sa�isf the U-factor �-� >r � �,��ti � <br /> ,�� � � ,, � 6� A Y � . � <br /> � � i�a ��� �'� '� -3 .� z � � �.���'� ' ,� - requirements. , `� � ��� �� s��_ <br /> , � 3 f t� ��z � , � r � ; �,�', �..� V � . `C . ' . . � 4 � '�„ p µ`"'s,-, §�.� <br /> � ,��,� ,,�ffi'3�.��' t�� 3,._� �� .�C S�d S -✓.� �a � ��� � . . � � : <br /> � t i ��� � <br /> Ex�rnple�f,�4re�Wei�ht�d U�Value�afculation: �� ;���` ��-. <br /> ��, Do n�rt lnstai/vapar ret�r�ers/n bels�w gs�ad�vvaa}l� : � ��.,. •-,� .,� ,,�,y- <br /> � f <br /> � �� ��' Y ���� �,.� � � �5 ' Wir�dow#1 area 2Q ft2 t�-.3� U x A=3.4 <br /> - � � �r�e ��,�.,ti 'Y �` _' ,�,�'F s' � � �' <br /> � � h� z � ° - xx <br /> h 3a ' 7?. '� ^ <br /> Window#2 area 15 ft2 U=.28 U x�=4.2 ��--�-� �� �� <br /> ' "�(� .-r ,, �.q-`o',(.� . r� ��.�`'�'' . <br /> i � � �,�M',�t�� �s= ._- _./` ' 3.�; � fa��.�4�� . : - . <br /> 4 ~� f� <br /> },z ? �i <br /> �� ���� ,} � Total area 25 ft2 Tota1 U x A=7.6 �� <br /> � �.} s <br /> 3 ��' <br /> . .�� �,� J,���� ; Area weighted average 7.6/25=,0.3Q �} & ��'S� � �A. `�`,� <br /> . � �4�� �; <br /> ?.a._ �} 1 .y R-Z1�av►t allowed but not recorr,me�ded�#ue�o : �� `' 3'����; � # ' R7�2.7 Va�r ret�rt�ers.Class!or 11 vapar retarders : ,� p - <br /> y , � �� > s � � <br /> ���' b� �� i � � '� are required on the infieriQr side of frame walls in <br /> < ,� '�'��#s�� �-� �� : potsntial moisture probtems ,�� "��r�<.r �� <br /> ���a .� �' �'��''� �� ¢ �`>� ��' Climate Zones 5,6,7,8 and�Aarine 4. <br /> `s��F�t� br 1'. ;�"�t C,. .- � r 'w"s 5`�.� ��E� Gsn��. <br /> t�a� �f F ...t" f�A -Y t.. � t -z},£ 1/ '� . <br /> e � <br /> �f'..,coh, '�£P�f"��r� .�'i �� -". . � �-���'� � f� �x� s �. . <br /> : �;rt'K t r�� y r ��`�� a,-:� � 1.. B�semenE walls. <br /> � ' s' � . <br /> � �`� � ��`,��,s }, � �x� : ��b�� ¢G��,� `�'� 2. Selokv grade partion of any wa{{.' <br /> $�` �� :�`z ���, y,v1}t� i � t�., . t z �.:�?s.t. . . . . <br /> �'�'�rz �` �: '`s" ?� _,�,: r �� 3. ConsFruction where moistur�ar its <br /> +.+5.`-•.E�„,� r t �, � _< �- u s '��.,y. � freezing wifl not darnage the <br /> j�� �i�a.? �� x�` �i� �: ' '� � ,,, � fI1�tC�lc`��5. � <br /> Yk9�� �µ� �' �� x 3 ti1J,. Y.n _ � . <br /> . I �� �� � } w`z�i � � . ' . : <br /> . h�k� s�'i�}".'y�3 i 1.: ,�.�ry .• . , ;. <br /> �3'��WS ?J"-.,ri 1' ..ks� �Klb-a � : <br /> . �a. �v . �,..-...__,..._.".'"..."_'Z'__. _�'_' '",_ ...�.-' � , 1 <br /> . .�.r =x} r .. ... -�.�� _,__._,_._.�_-'-._. __._..___.._._... .___.._-'-..__�__.-- -_---_.._ -. __.__....—_.....____.__ - . <br /> . .,» <br /> ---'._...--' ----" -'- -.....___ __ _._.__. . .__._ ..--�--_._. ._._-."..._ _ _ .. ..____._... _..__---'----_..--'-'---' <br /> ..�.._. __.. _..._..__._...._.. ___ . <br /> �ti <br /> Prescri #iere Checkiist fAr th� f'�V1/ashsn csn State.Ee�er Code 7 � ; <br /> � � `< � � Pres�riptnr�Che�6�t�s�f�r t�e�G��`�lashingt�tt State Energy Code . . 8 Prescriptive Ghecklist for the�,i�:Washingt�n Stat��nergy Code g � <br /> ..._:.__ ...:. ._ _._.. ...._ <br /> C7 �4�2.�.3(�t�z�d F�n�str�tion Exempt�on _.... . ' .,� _ _ T�4�L�E �402.4.9.1 . �,�� <br /> - ,. , ��: � <br /> 1 <br /> Up ta 15 sauare feet {1.�m2) of g3azed fenestratio►� � �41R �ARi�9ER�WD iNS�1L.AT10�1 t�lSTALL'A7'It��t <br /> per duvelling unit shall be permitted to be exempt �� � ' <br /> u r ; .� <br /> from 11-factor requirements on Section R4023.3. ° ' - ����o�E�� �RiTfRdpia <br /> �� � <br /> Air barrier and thermal barrier A continuaus air barrier shall be installed in the bui(ding envelape.Exterior thermal envelope contains a cantinuous air ; <br /> f barsier.Srea[cs or joints in the air barrier shaff be$ealed.Air-permeabte insulatiors sha#t not be used as a seaiing materiaP. � <br /> ❑ it4U�.3.4 4�aqu� f3aor Exemp�io� � � <br /> �r. :� F � ���}. �... Caaity insulation instailation Ald cavities in the thermai envelope sha{t 6e filied with insula#ion.The density of the insulation shail be at the manufacturers' <br /> ' �ne side-hinged opaque doar assembty up to 24 .� : � ;, ;. ::,� • : product recammendation a;�d said density shal{be maintained for alCvolume of each cavity.Satt type insulation will show no ; <br /> 5qu2r2 fe2t (2.22 rn2) in 8r�a iS eXert'►pted$fOl'Yt th2 . voids or gaps and maintain an even density for the entire cavity.Batt insulation shai!be installed in the recommended cavity � <br /> U-factor requir�ment in Section 402.3.a. depth.V�lhere an abstruction in the eavity due to services,biocking,bracing or o�her ab5truction exists,the batt product wil! k <br /> be cut#a fit the remaining depth o€t��e cavity.Where tha batt is cut around obstructions,ioose fill insufatian shal{be pfaced ; ; <br /> "� � to fil!any surface or concealad voids,arsci at the manufacturers'specified density.Where faced batt is used,the insta!latian t <br /> o ���z.�.�.2��sten� � <br /> � '` � �' �` tabs must be stapled ta the f�ce�f the stud.There shal{be no compression to the batt at the edges of the cavity due to inset <br /> '� � � ` _ <br /> The building ar dwellin,g unit shall be tested anci :� ` ,�y�. ,� - ; <br /> � �.:� ,;, ���<�.���:�-- stapGng instafEatiort tabs. ` ; <br /> v�rified�S hav'tng�r1 �it'leakage rate of not insu}ation that upon installation readily conforms to availabfe space shaff be instailed fifling t��e entire ca+�ity and within the a ; <br /> Glazed Fenestratior�Exemption <br /> exCeeding 5 �ir changes per hour. t1�to 15 square�'eet o�glcrring crre sxemptgror» manufacturers'density recom�enciation. � r ' <br /> � ;�J factor requrremerrts. This daes no�apgly if Cei6ing/attie The air barrier in any dropped cei{ing/so€fi�shail be aligned with the insulation and any gaps in the air barrier sealed.Access i <br /> �uilding Air Leakage TesYing Specifiieations: � ;yau are doing a UA eraca`eoff appraach. • openings,drop clown stair or krree avall doors to unconditi�rretf attic spaces shal}be seai�tf. Batt insulation instaliec3 in attic ' � <br /> � t <br /> , � http:Lwww.ener�v.wsu.edu/DocumentslAir°fo20Leaka�e°IZOT �� s > � �'- � ��_ �� _ �.� s�� roof assem6lies may be compressed at e�tterior wa91 iin�s to alfow for required attic ventilation. j <br /> estin�%201 29 22.pdf � ;�,�?`��� �' _�'� �'" � .� � Walls Corners and headers shali he insulateci and the junction of the foundation and silf plate shall be sealed.The junction of#he ' <br /> ` ���� ,: � �� � �� , �� � �`� top p}ate and top of exierior walfs shafl be sealed.Exterior thermal envelope insulation for framed walis sha{!be irrstalled in ' <br /> ,� f��`s�` � �`�,x � ' �' substantial eo�tact and contsnuous alignment with the air barrier.Knee walls shall be seaied. i <br /> O R4U2.4.2 Fireplaces 4 ;�,��7 �,� �„ , �, -�; <br /> � x � � �:� �" � �; Windows,sky4ights and doors The space between winrlor�v(door jambs and framing and skylights and framing shall be sealed_ ' <br /> New wood-burning fireplaces shalf have tight-f6tting � ; �;� ��,�_ �_ � � _ , <br /> ���: f � <br /> f(ue darrfpers and outdo�r combusti�n air. � �� �-�� �.. ��° R�m 1o�sts Rim joists shafE be insulatec!and i�ctude the air barrier. <br /> #� : � �. � ; <br /> � � � �, <br /> .� � �` ; h A Floors{including above�-garage anci insuiation shalf be instaiied to maintain permanent contact�nrith underside o€subfloor decking.The air barrier shall be <br /> �' ��,': <br /> , ,� cantilevered ffoors <br /> ❑ ��02.4.�R�cessed Ligntin� �` < , y� � insta(ied at any exposed edge of insufation. <br /> €t�cessed luminairas instalied in the building therrnal 4 �..��` �. �� Crawi space walfs Where pr�vided in iieu of floor insuiation'�,insulation shal!be permanently attached to the crawispace waEls.Expased�arth <br /> envelope sh�l1 be seal�d tv limit air leakage R��z.3.4 Opa�ue Door Exem�tion , in unvented crawl spaces shali be covered with a C(ass!vapor retarder vdith overlapping joints taped. <br /> �Jne daor assem�r9y,up ta.24 square�eet r3 *lnsudntion af er�wl space wa�ls is nnt Prescri,prively o!lowed.A Totr�f UA Atterncetive methad is required. : <br /> between conditioned and unconditianed spaces.All �exempt jrarrr�1-ractor requirements. Shafts,penetratians Duct shafts utilit - <br /> , y penetrations,and filue shaft�opening to exterior or unconditionQd space shalf he seafed. ''• ; <br /> recessed luminaires shafl be Type fC-rated and � - � . ' ; <br /> labeled certified under ASTiVI E283 and shali have a �,'��� ` �� _ <br /> � , � �< ; <br /> labei attacFted shawing compliance with this test ��,� � ���' - <br /> ,�.���, . < ��.l £p Preseriptive Ct�eckiist for tt�e��n:���tashin�tan State Energqr Cod� 11 , <br /> a <br /> me�hhod.Afl recessed {umi�aires sha#I be se�ied with : ., � <br /> �� � <br /> a gasket or caulk faetw�en the housing and the ' ` � ��3�' }ry�� y�"`�� <br /> interior wal!or cei(ing covering. ,�x ��'� _ � ':�:�, �'�r � <br /> � <br /> ��. s �y <br /> ���� 3 �� �� , <br /> c � ; f{ t 1' : <br /> �� r�L�� �; - i s 3' i <br /> ❑ Tabie 402.4.1,1 A�r�arrier a�d insut�ti�s� • ���� `� 1 . —°;.'� <br /> BT15�7�'�$I�iB �$gd�t�i�'�t1'l�Ct$S � r <br /> Air barriers and insuiation mus�be installed in :�ao2.�.��eeessed�i�ht+ng <br /> �ccordance with Tabie 402.4.1.1, b2l�w. �Z����Q��nd.sealed recessed light. ------------ ����� �� ����� j � <br /> �������� ��� ���J��� � <br /> Prescreptiv��he�klist for th�°2¢��Washin��rt Sta�e E�nergy Cc�d� 10 � ;,e <br />