In this series, we’re diving into a handful of the top-quality insulated vinyl siding products we install. The goal of the series is to help Madison homeowners be in-the-know regarding these products so they can make educated decisions when choosing new siding for their home. Before we jump into the Norandex Polar Wall Plus! insulated vinyl siding line, let’s quickly define the difference between insulated and traditional vinyl siding, as well as what to look for in an insulated vinyl siding solution. INSULATED VINYL SIDING … … is made with a layer of rigid foam backing that’s attached to the siding. This foam backing acts as a layer of insulation, keeping your home’s temperature better regulated in both hot and cold months. That said, not all siding insulation is the same, as each type has what’s called an R-value. The higher the R-value, the better the insulation. All of the brands we’re highlighting in our series have excellent R-values, and no matter what insulated vinyl siding brand you ultimately choose, we recommend you seek out