Return duct sealing question

Per a previous post (Cellulose insulation odor), we’ve noticed a smell of newspaper after installing cellulose insulation in the attic.  The suggestion was to check the returns since the air… Per a previous post (Cellulose insulation odor), we’ve noticed a smell of newspaper after installing cellulose insulation in the attic.  The suggestion was to check the returns since the air…Read MoreGreenBuildingAdvisor