“Sometimes it has a sliding door with a latch without a doorknob. Sometimes you’re not allowed to have a door at all, just an area to walk through,” says Steve Markowicz, an agent with CORE. “It depends on the landlord and their interpretation of the fire code.”
Finally, there’s the full-sized pressurized wall, from floor to ceiling and with a door. But because these constitute a change to the apartment’s layout, these also require approval from the Buildings Department. What each type has in common is they do not attach to existing floors, walls and ceilings, and can be easily removed without causing damage. Naturally, not all apartments are conducive to this option, and some landlords don’t allow flex walls—especially since the city started to crack down on them in 2010 in the interest of fire safety.
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