A-Frame interior roof insulation

I have an A-Frame house in the Pacific NW. Build in 1960’s insulation was not.I need to insulate the inside of the house with something. What is there now new… I have an A-Frame house in the Pacific NW. Build in 1960’s insulation was not.I need to insulate the inside of the house with something. What is there now new…Read MoreGreenBuildingAdvisor