Insulation and Weatherizing

CertainTeed's DryRight insulation features R-values ranging from R-13 to R-19 and keeps wall cavities dry and mold-free by Justin Fink

Seal air leaks first; then add extra insulation for an energy-saving improvement with great bang for the buck by Mike Guertin

Less dusty than cellulose, blown-in fiberglass increases R-value and installs quickly by Mike Guertin

Can a 150-year-old house approach net-zero energy use? Three case studies point the way from the 19th to the 21st century. by Betsy Pettit

A crop in abundance, Soy is the latest insulation material to hit the market by Chris Ermides

Get the details right, and a small increase in wall thickness can make a big difference in energy performance by Rick Arnold

MemBrain vapor retarder protects against condensation in winter, but allows for drying in summer by Alex Wilson