Concrete block partitions are usually insulated or developed with insulating concrete blocks for the duration of new household development or main renovations. Getting rid of outdated attic insulation isn’t always essential unless it’s weakened, moldy, or has pests. If it’s in superior affliction, you can incorporate new insulation on top. https://duct-insulation60269.jts-blog.com/32777506/considerations-to-know-about-duct-insulation