The phrase "a rooftop of" is correct and usable in written English.
It can be used to describe something that is situated on or related to the top surface of a building.
Example: "The party was held on a rooftop of a luxurious hotel, offering stunning views of the city skyline."
Alternatives: "a roof of" or "the top of".
Last weekend, my sister was married on a rooftop of another building in Lower Manhattan.
Those who made it to the top strolled around a rooftop of trees and grass, with spectacular views of city, water and sky.
On this freezing evening the class gathered on a rooftop of an apartment building where the meeting, its clandestine nature notwithstanding, could be easily viewed by anyone riding the nearby J or M trains.
As if to underscore that these are distressing days in East New York, yet another body turned up in the neighborhood late Monday, this one on a rooftop of the Linden Houses development on Wortman Avenue.
There is no good answer to why Timothy Stansbury Jr. was shot to death by a police officer on a rooftop of the Louis Armstrong Houses in the Bedford-Stuyvesant neinhBrooklynin Brooklyn.
Since then, there have been more acts of remembrance for Timothy Stansbury Jr., 19, who was shot dead by a police officer on a rooftop of the Louis Armstrong Houses in Bedford-Stuyvesant, Brooklyn. Bedford-Stuyvesant, Brooklyn
When midnight strikes, I make sure to find my way high on a rooftop for a festival of light.
Jess's former one-night stand sells the story of the attempted suicide to a tabloid, and the group has a few larks winding up the press with tales of a rooftop sighting of a redemptive angel resembling Matt Damon.
Second, it has a height of 22 m and a rooftop area of 400 m(^2).
A rooftop screening of a movie among friends in Red Hook — scrapped.
He was also snapped enjoying a rooftop toast of tiger blood, then wielding a machete, and Bauer Griffin has the photos.
