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�l T��,�✓ � /��� /��� � . . '. ' <br /> CONSTRUCTION R VALUC � - <br /> CE I L I Nf; SECT1�N (I NSULATED) : <br /> � interlor alr f( lm �•�1 <br /> � 2 it y„u..�-�rv� � � 3$ <br /> 3 / ` ��'S� <br /> j 4 4 Exterlor air fflm (stiil ) �•�� <br /> TOTAL R = ' . <br /> {` U - 1/R = •O��i <br /> � <br /> t <br /> \ . <br /> � � CE1LIf�r FRAHI��� SECTION: <br /> � 2 �J 1 In[erior air fitm �•�� <br /> 2 5 << �/—V-O c�lL , `� <br /> VENTED 3 `� �.�-� �� 3o.c�� <br /> A�R 4 Interior ai r Fi lm s [i l l �. 1 <br /> FLOW S `j�Z inches soft woo�i y'�3;� <br /> TOTAI R � 3�,75� <br /> • u = t/R = , OZ? <br /> ' . <br /> �(�,���}-t.��-- ���� . CE1LItlG SECT10f� (INSULATED) : <br /> � �.Fl <br />,�������,����,,���.���..Q��y„� 1' I n t e r i o r a i�r f i 1 m , <br /> 2 p�y�,,,�� �3 <br /> � 3 " 5« F�� �Sl� �� <br /> �� <br /> 4 F.xterior air film still �•F1 <br /> — TnTn.,..�.—°- = 1 a <br /> �Z`1 F`��` -�z <br /> i u Pt,y�.✓,��,� 1�--�—�-fR �' �f <br /> J �� ' . - <br /> / y U = . .D�� <br /> I 2 3 4 5 CEILINr, FRAHINr SECTIOt�: <br /> 1• Interior air film �•F� <br /> VENTED 2 �� w`�'� � 4 <br /> j �( c w,c� ,6 Z. <br /> 4 Exterior air film still �. 1 <br /> S 1 � jnches soft wood (� <br /> 2 �� t- J,�`,,,` 70TAL R = /i� <br /> ' � = Zz-77 <br /> 3 4 5 � � , 0 y�1 <br /> , <br /> L " • �' ;`' <br /> � -,:�'�`•':=" '"� '�� � � 1 Inside aIr film � �`1 <br />; ;;%: •'' '� � 3 • . � � . <br />� � � 4 � <br /> ��� ,ri Outside air film �• � � <br /> /�/� � 2 TOTAL R � <br /> /� — <br /> �, U ! 1/R � <br /> 18 <br />