
The buffer-zone is the interface between the top five floors and the lower levels.

Reed himself stated that even with the reinforced structure, it should not be possible otherwise.). The building's steel-alloy framework is rigid enough to be stood on one corner and not collapse (It was suggested that the Baxter Building did not collapse under its own weight due to the use of tactile telekinesis by Gladiator of the Shi'ar Imperial Guard. Complete environmental support (including atmosphere) is provided by the area between elevators 2, 3, and 4 on all floors. The top five sections of the Baxter Building are completely airtight all doors are airlocks. Solid, armored, exterior walls are also mirror-clad and are indistinguishable from transparent sections. For example, windows are 2 ft (0.61 m) thick composites of various glasses and plastics which are mirrored on the outside. All aspects of the design are constantly being improved, including security. The design of the headquarters of the Fantastic Four is along strictly utilitarian lines, except for apartments and public areas. Reed Richards has applied for many land-use zone variations to allow massive reconstruction of the top five floors for the installation of a heavily silenced silo, with a muffled rocket. The Baxter Building is located a few city blocks from the United Nations Building. The building's steel frame construction utilized the first application of "K bracing" in the world and is one of the strongest structures of its kind. The top five floors of the 35-story building were purchased outright by the Fantastic Four.

Originally designed as a high-rise industrial site to accommodate pulp recycling machinery to serve the mid-Manhattan area, each floor height is 24 feet (7.3 m). Located at 42nd Street and Madison Avenue in New York City, it had been built in 1949 by the Leland Baxter Paper Company. It didn’t seem like I could just start referring to the building as taller than all those previous stories had made it, so I decided on something a wee bit more dramatic." Fictional description Quite impressive in 1962, but not so much in 1980, when I came to the book. Explaining why he chose to destroy the iconic structure, Byrne said, "The FF’s HQ building had long been established as 35 stories in height.

The Baxter Building is destroyed in Fantastic Four #278 (May 1985), written and drawn by John Byrne. The Baxter Building was the first comic-book superhero lair to be well known to the general public in the fictional world.

The Baxter Building first appeared in Fantastic Four #3 (March 1962) and was created by Stan Lee and Jack Kirby.
