Take care of the insulation content as homogeneous, although in authentic applications, rigid materials have joints as well as cracks. As a result, the U-benefit is often increased than what It will be In case the insulation behaved as a homogeneous materials. Reference 2 gives advice on calculating U-values. These https://fire-protection13319.pages10.com/the-2-minute-rule-for-storm-windows-69962340