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- insulation costs for existing houses in 1985 dollars with 1.26 inflation factor to 1991
- 1.26
- 1.03,1.04,0.81,0.97,0.95,0.98,1.03,0.97,0.97,1.22,1.04,1.30
- 18
- 1,ATTIC, 6,1,1
- cost per square foot of gross attic area
- 0.2540
- 11,0.0686,0.27
- 19,0.0438,0.39
- 22,0.0387,0.44
- 30,0.0294,0.56
- 38,0.0238,0.68
- 49,0.0198,0.84
- 2,WOOD FRAME WALLS, 1,1,1
- note: costs are per sq ft of net wall area
- 0.3763
- 11,0.0988,1.00
- 3,MASONRY WALLS - B/B,4,1,1
- cost per square foot of net wall area
- 0.242
- 3, 0.179,0.13
- 11,0.074,0.81
- 13,0.066,0.90
- 19,0.046,1.16
- 14,MASONRY WALLS - RF,7,1,1
- cost per square foot of net wall area
- 0.263
- 3, 0.179,0.13
- 4, 0.164,0.22
- 6, 0.130,0.36
- 8, 0.108,0.52
- 10,0.092,0.67
- 12,0.080,0.82
- 15,0.065,1.00
- 4,FLOOR OVER UNHEATED AREA,4,1,2
- cost per square foot of gross floor area
- 0.21
- 11,0.077,0.38
- 13,0.071,0.45
- 19,0.053,0.56
- 30,0.037,0.80
- 5,SLAB ON GRADE - 2 FT VERTICAL RF, 4,2,2
- cost per linear foot of slab edge (2 ft depth)
- 0.44
- 5, .138, 2.10
- 8, .098, 2.40
- 10,.082, 3.20
- 14,.061, 4.20
- 6,CRAWL SPACE WALLS - B/B,4,2,2
- cost per linear foot of crawl space perimeter
- 0.22
- 11,0.072, 0.82
- 13,0.064, 0.96
- 19,0.049, 1.16
- 30,0.033, 1.54
- 15,CRAWL SPACE WALLS - RF,3,2,2
- cost per linear foot of crawl space perimeter
- 0.44
- 5,0.138, 0.72
- 10,0.082, 1.24
- 15,0.058, 1.72
- 7,BASEMENT (conditioned) WALLS - EXTERIOR INSULATION - RF, 5,2,2
- cost per linear foot (top 4 feet only)
- 0.48
- 5, 0.141,4.10
- 8, 0.099,4.90
- 10,0.083,6.00
- 12,0.071,6.90
- 15,0.058,7.80
- 8,BASEMENT (conditioned) WALLS - INTERIOR INSULATION - B/B,4,2,2
- cost per linear foot of interior wall perimeter
- 0.36
- 3, 0.172, 0.88
- 11,0.072, 5.50
- 13,0.063, 6.10
- 19,0.046, 7.90
- 16,BASEMENT (conditioned) WALLS - INTERIOR INSULATION - RF,7,2,2
- cost per linear foot of interior wall perimeter
- 0.36
- 3, 0.172,0.88
- 4, 0.147,1.50
- 6, 0.114,2.45
- 8, 0.093,3.50
- 10,0.078,4.55
- 12,0.068,5.60
- 15,0.056,6.80
- 9, BASEMENT (unconditioned) WALLS - EXTERIOR INSULATION - RF,5,2,2
- cost per linear foot (top 4 feet only)
- 0.37
- 5, 0.130,4.10
- 8, 0.093,4.90
- 10,0.079,6.00
- 12,0.068,6.90
- 15,0.056,7.80
- 10, BASEMENT WALLS - INTERIOR INSULATION - B/B,4,2,2
- cost per linear foot interior wall perimeter
- 0.24
- 3, 0.139,0.88
- 11,0.066,5.50
- 13,0.058,6.10
- 19,0.043,7.90
- 11,CATHEDRAL CEILING - B/B,6,1,1
- cost per square foot of gross ceiling area
- 0.2719
- 11,0.0701,0.35
- 13,0.0632,0.41
- 19,0.0522,0.53
- 22,0.0422,0.60
- 30,0.0337,0.75
- 38,0.0285,0.93
- 17, BASEMENT (unconditioned) WALLS - INTERIOR INSULATION - RF,7,2,2
- cost per linear foot of interior wall perimeter
- 0.24
- 3, 0.139,0.88
- 4, 0.122,1.50
- 6, 0.098,2.45
- 8, 0.082,3.50
- 10,0.070,4.55
- 12,0.062,5.60
- 15,0.052,6.80
- 18,CATHEDRAL CEILING - RF,7,1,1
- cost per square foot of gross ceiling area
- .48
- 4, 0.165,0.37
- 6, 0.124,0.51
- 8, 0.099,0.63
- 10,0.082,0.75
- 12,0.071,0.87
- 14,0.062,0.99
- 16,0.055,1.11
- 12,DUCT INSULATION,8,1,3
- cost per square foot of duct wrap (installed)
- 1.429,3.3
- 2, 0.3703,0.40
- 4, 0.2128,0.55
- 6, 0.1493,0.70
- 8, 0.1149,0.85
- 10,0.0935,1.00
- 12,0.0787,1.15
- 14,0.0680,1.30
- 16,0.0599,1.45
- 13,WATER HEATER INSULATION,1,3,4
- cost for entire blanket
- 4,25
-
- (a) if rigid foam sheathing is used in place of conventional sheathing
- subtract cost of conventional sheathing.
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