Efficiently and cost-effectively insulating an old attic with 2×6 rafters

Hi, I recently became the owner of a 104 year old home in zone 5 (Western New York). As part of our commitment to lessening our environmental impact we are… Hi, I recently became the owner of a 104 year old home in zone 5 (Western New York). As part of our commitment to lessening our environmental impact we are…Read MoreGreenBuildingAdvisor