The 59-year-old contractor fell from one level of the roof to another at a Woodland Park Drive home shortly after 3 p.m., Police Chief Robert Chamberlain said.
Firefighters climbed up and lowered the victim down in a Stokes basket, assisted by police, Chamberlain said.
The Tenafly Volunteer Ambulance Corps took him to Hackensack University Medical Center for treatment, the chief said.
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