zzz vlsv ruj - korwall

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14

9.6 9.8

13.7

11*

4" SIP 2x4 @ 16" 2x6 @ 24"2x6 @ 24"(Quality

installation)(Typical

installation)

2x4 @ 24"

15

10

5

0

* Tests show that in the “worst case commonly found of procedures for installing batt insulation” the performance drops to R-11.Figure courtesy of APA.

WHOLE-WALL R-VALUE

126 cfm

4" SIP 2x4 @ 16"

120

90

60

30

0

WHOLE-ROOM AIR INFILTRATION, ORNL TESTINGLower cfm = higher comfort + lower energy cost

9 cfm9 cfm

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Overall ecological footprint results by insulation system. 1.0 = worst position (the lower the score, the higher the eco-efficiency)

SIP

2x4 Stick

2x6 Stick

Energy consumption

Emissions

Health effect potential

Risk potential

Resource consumption

Land use

Eco-Efficiency Analysis results for the construction and 60-year use of the walls and roof of 1,100-square-foot, ranch-style, slab-on-grade home, located in the northeastern U.S.

SIP

2x4 Stick

2x6 Stick

2.5 0.0 -0.52.5

0.0

-0.5

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Costs (Normalized)

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