How To

If the winters are hard where you live, try to have an R-value (thermal res

If the winters are hard where you live, try to have an R-value (thermal resistance) of at least R-33 in ceiling insulation and R-19 in wall insulation.

By Yankee Magazine|Mar 24 2013|

If the winters are hard where you live, try to have an R-value (thermal resistance) of at least R-33 in ceiling insulation and R-19 in wall insulation.