A professional who installs rolls of untreated roofing felt on feedrack and prepares roll for continuous asphalt-saturating process with aid of another worker. Respnsibilities include:

• Inserts spindle in mandrel, pushes roll onto feedrack, and secures holding devices over spindle ends.
• Cuts away roll covering, using knife, threads end of felt through rollers, and splices end to end of previous roll with tape and hot iron.
• Inspects felt as roll unwinds and repairs defects, such as holes and tears, using tape and iron.