The R-value for insulation is a way to measure how ... make about the insulation including what’s best for the floors, walls, crawlspaces and the roof. However, for the majority of people ...

There are several options when it comes to wall insulating materials. Choosing which type is best for your home is a matter of determining what r-value your project requires and available ...

with the goal of a nationally-accepted procedure for estimating the whole opaque wall R-value (whole-wall R-value), independent of system type and construction materials. Whole-wall R-value includes ...