improving wall assembly of 1980s masonite/fiberboard home while residing

I live in North Carolina, climate zone 4a and am planning improvements to slowly do myself on my recently purchased 2100 square foot 2 story 1980s home.  My walls from the… I live in North Carolina, climate zone 4a and am planning improvements to slowly do myself on my recently purchased 2100 square foot 2 story 1980s home.  My walls from the…Read MoreGreenBuildingAdvisor