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CONSTRUCTION R VALUC � • <br /> • , • <br /> CEILING SECTION (INSULATED) : <br /> 1 Interior air film �.�i <br /> 2 � �'� t7�-�lv�L�-vl. .GJIa <br /> � 3 F a SLd�,•�r-� ►�scJL� _ �4.00 <br /> 3 4 4 Exterior air film sti111 �.�1 <br /> TOTAL R = �G. 78 <br /> U = 1/R = �02 <br /> � <br /> F / CEILING FRAMING SECTION: <br /> � 2 5 1 Interior ai r fi lm �.E�l <br /> 2 �8" IJ�Ywa-�-L .�G <br /> AIR VENTED 3 F.� �w� �� ��. 2. 3 <br /> 4 Interior air film still �. 1 <br /> FLOW 5 �%Z i nches sof t +�ooci q.,� <br /> TOTAL R = �� <br /> u = 1/R = .d3 <br /> CEILING SEf,TION (INSULATED) : <br /> , r��.-,.�,-.�����,g,�,��.�,�s��� 1' !n te r i o r a i r f i 1 m �,h 1 <br /> 2 g ��x,.._,�a.�L .Li(� <br /> 3 �.,�- 3p,oo. <br /> G 4 fxterior air film still �. 1 <br /> TOTAL R = � <br /> J 1i \ `'� u = �iR = .o� <br /> � <br /> I 2 3 4 5 CEILIN� FRAMIPJf, SECTION: <br /> 1� Interior air film �.�1 <br /> V E N T E D z ..�►� DRYw�LL• •hG <br /> 3 — <br /> 4 Ex��--icr air- film sti11 �. 1 <br /> S i r�c:�res sof t arood � .�j� <br /> TOTAL R = �• Gj, <br /> � U = 1/R = � �!o <br /> 3 4 5 <br /> � ' `��LL' <br /> -, ,�,�: <br /> - ,, •;:�-�"� �� t 1 Inside air film �.�1 <br /> :; :�:;: %� �� 3 . <br /> 4 <br /> ///� ( 2 5 Outside air film �• 17 <br /> �f TOTAL R = <br /> �� <br /> / �� U = 1/R = <br /> Page 4 <br />