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GUIDELINE TO (R) FACTORS FROM ASNRAE MANUAL . <br /> OF TYPICALLY USED PRODUCTS � . . , <br /> r <br /> AIR FILMS � SHEATHING � ' <br /> Ir.terior �Air Film (Wal7s) 0.68 3/4" �lood Subfloor or Sheathing 0.94 <br /> Exterior Air Film (Walls) 0. 17 1/2" Plywood Sheathing 0.62 <br /> Interior Air Film (Ven d Ceiling) 0.61 1/2" Particle Board 0.66 <br /> Exterior Air Film (Vente Ceiling) 0.61 Gypsum or Plaster Board 3/8" 0.32 <br /> Interior Air Film (Non Ve ted) 0.61 Gypsum or Plaster Board 1/2" 0.45 <br /> Exterior Air Film (Non Uen ed) 0. ]7 Gypsum or Plaster Board 5/8" 0. 56 <br /> Plywood 3/8" � 0.47 <br /> Plywood 1/2" -�. O.b2 <br /> BLOWING WOOLS Plywood 3/4" 0.93 <br /> 9.00 Sheathing, Reg. Density 1/2" 1 .32 <br /> Approx. 3" ' Sheathing, Reg, Den��ty 25/32" 2.06 <br /> Approx. 4 1/2" 13. 00 Nai]-Base Sheatf�ing 1/2" 1 . 14 <br /> Approx. 6 1/4" 19.00 ; <br /> Approx. 7 1/4" 24.00 / <br /> Approx. 14" 30.00 ROOFS �� <br /> Approx. 18" 40.00 � <br /> _ Bui7t- Roofs 0.33 <br /> All other insulation materials� mu t Asb tos-Cement Shingles 0.21 <br /> be verified (R Factor) As alt Ro71 Roofing 0. 13 <br /> • sphalt Shingles 0.44 <br /> IPaSULATION . <br /> �nsulation: 2-2 3/4" Fiberglass � 00 % SIDING <br /> :nsulation: 3 1/2" Fiberglass 11 . Aluminum Siding 0.61 <br /> Insulation: 6" Fiberglass 19. 0 Aluminum with Sacker 1 .82 <br /> :nsulation: 3 5/8" Fiberglass .� -Aluminum with Backer & Foiled 2.96 <br /> Insulation: 9 Fiberglass 30.00 �/2 x 8 Lap Siding (Wood) 0.81 <br /> lnsulation: 12" Fiberglass 38.00 7/16 x 12 Hardboard Siding 0. 67 <br /> Insulation: 8" Cellulose 29.00 Asbestos Sidings 1/4 Lapped 0.21 <br /> :nsulation: 10" Celluiose % 37.00 Stucco (Brown and Finish Coat} ---- <br /> Insulation: 12" Cellulose i 44.00 <br /> Insulation: 1 1/2" Thermax ' 12.00 <br /> �nsulation: 2" Thermax 16.00 DOORS � <br /> � 1 3/4" Solid Core Door .46 <br /> WOODS j� w/Storm, Wood .31 <br /> Fir, Pine & Similar S �ft bJoods w/Storm, Meta] ^ .26 <br /> � 1 ��2�� � �9 P ase S�eel Goor Insl/�Jiu� 7.4�R . i3 <br /> 2 ��2�� 3 �2 Sliding Giass Door, Wood .65 <br /> 3 1/2" 4.35 Metal . 72 <br /> 5 1/2" 6.87 <br /> �ONCRETE BLOCK WIND S <br /> `�" Concrete B1 ck (S & G Reg. ) 1 . 11 A>> W� dows .56 <br /> (Filled wit Vermiculite) � ,93 (w/Sto s 7" to 4" Space) <br /> 2" Concrete Block (S & G Reg. ) � ,Zg Removal ouble Glazing (RDG) .55 <br /> (Filled wi h Vermiculite) 3.15 Thermo o Welded 3/16" Air Space .69 <br /> S" Light W ight 2, �g 1/4" Air Space .65 <br /> (Filled with Vermiculite) 5.03 1/2" Air Space .58 <br /> ;2" Light Weight 2,4g (Other windows specifically tested <br /> (Filled with Vermiculite) 5.82 can use better ratings) <br /> . (L� �� ( �, <br /> �� �,f� � f'11�1 I L <br /> 14 Page 5 <br />