Address the insulation materials as homogeneous, Despite the fact that in real applications, rigid elements have joints and in some cases cracks. As a result, the U-worth is usually greater than what it would be if the insulation behaved as a homogeneous content. Reference two offers guidance on calculating U-values. https://easymakeuplooksforbeginne54061.qowap.com/93922642/an-unbiased-view-of-secondary-window