Treat the insulation materials as homogeneous, Though in serious apps, rigid resources have joints and in many cases cracks. Therefore, the U-benefit is usually greater than what It could be When the insulation behaved being a homogeneous materials. Reference two gives assistance on calculating U-values. Hide Exhibit facet panel Clear https://insurance-company13333.amoblog.com/the-2-minute-rule-for-storm-windows-56628673