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Performance-Smart Building System Comparison

SIPs= Blue     Conventional Construction Method=Black

Span Chart 1 2  (normal duration loading)

43/8" SIP wall 3189 PLF (axial) 8'-0" Height 1/480 (100 mph wind)
2 x 4 @16" o/c wall 1018 PLF (axial) 8'-0" Height 1/480 (100 mph wind)
63/8" SIP roof 30 PSF 13'-6" 1/240
2 x 6 @24" o/c rafter 30 PSF 9'-7" 1/240
81/8" SIP roof 30 PSF 16'-7" 1/240
2 x 8 @24" o/c rafter 30 PSF 12'-8" 1/240
81/8" SIP roof 50 PSF 12'-7" 1/360
2 x 8 @16" o/c joist 50 PSF 12'-3" 1/360
1 Specific engineering analysis shall be performed for each Templeton Design framing package.

2 Lumber in conventional systems is #2 Spruce-Pine-Fur or #2 Hem-Fur.

System R-values 1
Description Insulation Area (%) System R-Value
43/8" SIP wall 94 15.9
2 x 4 @16" o/c stud wall (R-11 cavity. 7/16"  OSB sheathing) 752 10.2
63/8" SIP wall 94 23.2
2 x 6 @16" o/c stud wall (R-19 cavity. 7/16"  OSB sheathing) 722 15.4
81/8" SIP wall 96 31
6" Steel stud wall (R-19 cavity. 7/16"  OSB sheathing) 85 83
2 x 8 @16" o/cceiling joists (R-26 cavity) 87 23

1 System R-values are composites and include air films and required 1/2" gypsum interior finish.

2 Per ASHRAE standards

3 Per American Iron and Steel Institute (AISI)

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