Before we can delve into the respective R-values of foam board insulation, we have to talk about the types of foam board. Per the intro, there are four such types. Here’s a recap of each.… 展开

While foam board insulation is pretty light in weight, it doesn’t make a ton of sense to have it … 展开

You’re pleased with foam board insulation’s high R-value, and you think this could be the right choice for your home. With four types of foam board insulation to choose from, how do yo… 展开

The R-value of foam board insulation varies on its type but can be as high as 8.0 in the case of polyisocyanurate. Outside of the foam board’s insulating qualities, you have to consider its pri… 展开