49.9720% OFF$39.97 at Amazon The Energy Wise Attic Door Insulation Cover has an insulation value of R-15.5, the highest for zippered insulators (although not by much). A popular and highly reviewed ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Sami Allen is the managing editor at Forbes Home, with over seven years of ...