Job Description:

• 1) Blows insulating material into spaces within walls, floors, and ceilings, using hose attached to blower, to insulate buildings or railway cars: Inserts nozzle of hose through opening into spaces to be filled.

• 2) Signals INSULATION-POWER-UNIT TENDER to start blower.

• 3) Turns valve to regulate insulation flow from hose nozzle, and moves hose to distribute insulating material evenly.

• 4) Climbs ladder or erects scaffold to reach working position.

• 5) Seals insulation access holes of railway car with wooden bungs or metal caps, using hammer and punch.

• 6) May insulate walls by covering them with sheets of insulating material, using nails or lacing wire.