Applies only when installation or acoustical work is performed as a separate operation not part of, or incidental to, any other construction operation performed by the same contractor at the same job location.
  

Code 5479 applies to employers engaged in installing and applying of various types of acoustical or thermal insulation in buildings or within building walls, ceilings, floors, attics, roof rafters and crawl spaces.  Insulation is installed to make residential, commercial and industrial structures more energy efficient.

There are various types of insulation materials used such as fiberglass and mineral wool which can be purchased in batts, rolls or loose fills.  Other types of insulation include cellulose, plastic foam or resin, rigid plastic panels, fiberboard, cementitious and reflective type foil.  The installation process normally involves the use of hand tools such as hammers, staplers, nailers or nail-guns, caulking guns and pneumatic equipment such as blowing machines.