To get to the roof, you have to take the elevator to the 16th floor and climb the flight of stairs in front of you. Then you make your way to the top of the laundromat - being careful to avoid the rusty ladders, the broken glass, the abandoned bottles of vodka and, of course, falling off a building.
Perils aside, once we were up there it was great! Dyl gave Mart a camera and some tips, and gave me an iPhone with an olloclip. Here is some of the fun I got up to while the boys took real photos: