I have examine that the use of rock wool is typical in Canada and Europe, exactly where it is sometimes set up on the exterior side with the water-resistant barrier (WRB). It is usually employed as batt insulation and perhaps for a blown-in item within just masonry veneer air spaces. https://rubber-insulation57923.laowaiblog.com/34233084/5-essential-elements-for-rockwool-insulation