Masking (enclosure) entails putting a protecting wrap or jacket all around the material that contains asbestos to stop the release of fibers. Only an expert experienced to handle asbestos safely should undertake these repairs. Sealing (encapsulation) treats the material which has a sealant that either binds the asbestos fibers together https://caidenjptyc.wikicorrespondent.com/4917171/everything_about_commercial_cleaning