Jonathan Wohl knows the sort of projects his company takes on aren’t exactly glamorous, but he doesn’t mind. “We’ve always been involved in difficult projects,” says Wohl, the president of Lawrence B. Wohl Inc., which is doing business as Wohl Diversified Services. “We get the hard jobs and the dirty jobs.”

Examples of the company’s work include fireproofing underground train stations such as the Downtown PATH Restoration Project at Ground Zero; the Eastside Access Project, which connects the Long Island Railroad with Grand Central Station; and Fulton Train Station in Lower Manhattan. Wohl is also experienced with spraying K-13 (brand) black cellulose acoustic insulation in restaurants like STK and Bill’s Burgers, and added a custom midnight blue K-13 to the WTC Memorial Museum.

Constructing a high-rise building presents a unique set of challenges for every trade involved, including structural steel fireproofing. From fall protection to people and material movement, high-rise construction is unlike any other type of construction. Similar to all other projects, though, a good job starts with a good estimate.....