Answer:

ROOFERS

Answer	Crossword Clue
ROOFERS	They provide high-level coverage
ROOFERS	Top-of-house workers
ROOFERS	High-up workers

ROOFERS	Certain housing mechanics.
ROOFERS	Top workers?
ROOFERS	Ones at the top of their business?
ROOFERS	Housetop workers
ROOFERS	They spread shingles?
ROOFERS	Workers that provide high-level coverage