I need help placing my fence kit inside a highrise building.

About this article

So I'm basically fully geared on an official server. I have everything I need from NBC gear and Toxic guns to base supplies but I never really build bases inside highrises. I'm currently inside one of the classic apartment buildings (like north east from balota airfield) and can't figure out how to place the fence kit in a position that it fully blocks the apartment and can be placed while also making a lock reachable when you attach it. (The door usually opens into the hallway.) I have seen ...