Some click-clack beds have traditional arms that are removed, while others are designed so the head and foot of the bed bend up to create armrests when it is in a couch form. Some types of furniture are incorrectly called futons. Often, manufacturers call a platform bed a futon. These types of futons are sold for pets as well as humans. Futon mattresses are mattresses stuffed with a cotton blend.
Futon frames and mattresses can go just about anywhere, I havent seen a space that they dont accommodate. Ive seen the frames I sell go into third story rooms in those gorgeous 1800s New England Colonials. While they are beautiful homes, they are quite a chore to move anything into or out of. I have sold many Futon Frames and Mattresses to customers in New York City, where space is at such a premium, that Ive lost count.
The other issue with the hollow bars is that if enough weight was placed on a spot they would begin to bend. The issue became so bad that a 90 day warranty was put in place by most manufacturers of these frames. Another issue the black metal frames suffered from were bending stretcher bars or rails. Again the hollow nature of these strecther rails presented issues with breakage and bending.
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