Fixing a Cold, Drafty House

Forget about weatherstripping doors and windows. Sealing and insulating the attic are the keys to lower heating bills and a more comfortable house.

Weatherization specialist Fred Lugano takes a comprehensive approach to attacking insulation and moisture problems. While the materials and methods that he advocates are applicable to new construction as well, this article examines the procedures, special equipment, and materials that he uses to weatherize an old house. Of particular interest are his use of dense-pack cellulose as an insulation material and pressure diagnostics based on blower-door directed air sealing.