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Masonary Walls,Biock or SQUARE <br /> ,� BTUH <br /> Brick,Fin.Or Unfin. FEET <br /> -Above G�ade HEAT TRANSFER MULTIPLIER Heat Loss <br /> 8"or 12"Block,No Insul.,Unfin. Zp �5.3 17.8 20.4 22.9 25.5 28.0 30.6 33.1 35.7 38.2 40.8 43.3 45.9 48.4 968 <br /> 48.4 <br /> 8"or 12"Block+R-5 104 4.3 5.0 5.8 6.5 7.2 7.9 8.6 9.4 10.1 10.8 11.5 12.2 13.0 13.7 1,425 <br /> 13.7 <br /> 8"or 12"Block+R-11 0 2•3 2.7 3.1 3.5 3.8 4.2 4.6 5.0 5.4 5.8 6.2 6.5 6.9 7.3 � <br /> 7.3 <br /> 8"or 12"Block+R-13 0 �•4 1.7 1.9 2.2 2.4 2.6 2.9 3.1 3.4 3.6 3.8 4.1 4.3 4.6 � <br /> 4.6 <br /> Masonary Wails,Block or BTUH <br /> Brick,Fin.Or Unfin.-Walls SQUARE Heat Lass <br /> Extend Z'-5'Below Grade FEET HEAT TRANSFER MULTIPLIER <br /> 8"or 12"Block+No Insul. 70 3.7 4.4 5.0 5.6 6.2 6.9 7.5 8.1 8.7 9.4 10.0 10.6 11.2 11.9 g33 <br /> 11.9 <br /> 8"or 12"Block+R-5 728 2•2 2•6 3.0 3.3 3.7 4.1 4.4 4.8 5.2 5.5 5.9 6.3 6.7 7•0 5,096 <br /> 7.0 <br /> 8"or 12"Block+R-11 0 1.5 1.8 2,0 2.3 2.6 2.8 3.1 3.3 3.6 3.8 4.1 4.3 4.6 4.8 0 <br /> 4.8 <br /> 8"or 12"Block+R-19 0 �'0 1.2 1.4 1.5 1.7 1.9 2.0 2.2 2.4 2.6 2.7 2.9 3.1 3.2 � <br /> 3.2 <br /> Ceilings Under a Ventilated ;;��?�f,;GF.� <br /> _ 55 6C BTUH <br /> Attic Space or Unheated SqUARE Heat Loss <br /> Room FEET HEAT TRANSFER MULTIPLIER <br /> Noinsulation 0 �$•0 21.0 24.0 27.0 29.9 32.9 35.9 38.9 41.9 44.9 47.9 50.9 53.9 56.9 � <br /> 56.9 <br /> R-11,3"Insulation 0 y,6 3.1 3.5 4.0 4.4 4.8 5.3 5.7 6.2 6.6 7.0 7.5 7.9 8.4 � <br /> 8.4 <br /> R-19,6"'Insulation 1508 0.0 1.9 2.1 2.4 2.6 2.9 3.2 3.4 3.7 4.0 4.2 4.5 4.8 5.0� ��0 <br /> R-30,10"Insulation 0 1.0 1.2 1.3 1.5 1.6 7.8 2.0 2.1 2.3 2.5 2.6 2.8 3.0 3.1 0 <br /> 3.1 <br /> R-38,12"Insulation 0 0.8 0.9 1.0 1.2 1.3 1.4 1.6 1.7 1.8 2.0 2.1 2.2 2.3 �.5 Q <br /> Floors over an Open Crawl SQUARE BTUH <br /> Space or Garage Heat Loss <br /> FEET HEAT TRANSFER MULTIPLIER <br /> Hardwood Floor+No Insulation 0 9.4 10.9 12.5 14.0 15.6 17.2 18.7 20.3 21.8 23.4 25.0 26.5 28.1 29.6 0 <br /> 29.6 <br /> Hardwood Floor+R-11 416 Z_4 2.8 3.2 3.6 4.0 4.4 4.8 5.2 5.6 6.0 6.4 6.8 7.2 7•6 3,162 <br /> 7.6 <br /> Hardwood Floor+R-19 0 �•6 1.8 2.1 2.3 2.6 2.9 3.1 3.4 3.6 3.9 4.2 4.4 4.7 4.9 � <br /> 4.9 <br /> Hardwood Floor+R-30 D �•1 1.3 1.5 1.7 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.1 3.3 3.5 � <br /> Basement Floor SQUARE BTUH <br /> FEET HEAT TRANSFER MULTIPLIER Heat 10S5 <br /> 2 or More Feet Below Grade 936 0.7 0.8 1.0 1.1 1.2 1.3 1.4 1.5 1.7 1.8 1.9 2.0 2.1 2•3 2,�53 <br /> 2.3 <br />