Address the insulation material as homogeneous, Despite the fact that in actual programs, rigid components have joints and even cracks. Therefore, the U-benefit is typically higher than what It will be When the insulation behaved as being a homogeneous materials. Reference 2 provides direction on calculating U-values. The Empire Condition https://charlesg317ole7.bloguerosa.com/33763517/top-guidelines-of-home-insulation