I want to insulate the outside of my house, which type of insulation do you think is best?
...insulating exterior walls from the outside we've written a guide page here.
Some rigid board insulations are a vapour barrier, some are not. Some are air barriers, some are not. XPS foam insulation at about 1 inch thick will act as a vapour barrier, EPS foam insulation will start to act as one at about 2 inches, and po...