Full size bunk beds – Although many litters has the size of the double mattress is not uncommon to find bunk requiring full size mattresses on the part of down and double mattresses on the top (it is called double-over-full) or even full mattresses both on top as the bottom (full-over-full called). Some have futon full size bunk beds at the bottom, which can be used as a sofa or bed, and full or twin mattress on top. Futons are available in many sizes from twin to king, so check the specifications of your bed before you buy a futon mattress.
Thickness of the mattress full size bunk beds. Although the furniture industry has long size mattresses standards, the mattress thickness varies widely from manufacturer to manufacturer and from model to model. In terms of bunks, the thickness of the mattress is very important because the CPSC states that the railings of the upper berth should be extended to 5 inches (12.7 cm) above the height of the mattress. Before buying a mattress, measure your litter to determine how thick mattress lets you leave at least 5 inches (12.7 cm) extending railing above the mattress.