By Adalheid Voigt. Midcentury. At Friday, January 25th 2019, 00:59:06 AM.
In a good-quality frame, the joints get special attention. They are glued, dowelled, and screwed. The corners are further strengthened by the addition of reinforcing blocks for extra support and strength. Generally speaking, plywood and particleboard frames are inferior, especially if they are held together with staples. Additional layers of plywood can help reinforce the frame, so as you can see, construction matters as much as material. If you must choose a sofa with a plywood frame, make sure it has at least 11 to 13 layers of plywood.
Down used in combination with other materials is also a good option but also another expensive option. Pads made out of a Dacron polyester fiber and down, known as Blendown pads, are wrapped around high-density foam. These pads can also be used with springs that have been wrapped up in foam. High-density foam surrounds the springs, which are then wrapped in down pads. The result is a soft surface with a strong, resilient support inside. This is a good option because the cushions do not lose their shape easily.
Hardwood is wood that we get from trees such as oak, maple, cherry walnut and other broad-leafed deciduous trees. This type of wood is stronger and better suited to most types of furniture making. Soft woods come from evergreen trees such as pines and cedar. This type of wood can bend or dent easily and therefore is not suitable where you need strength, such as in sofa frames. So while it is good to look for kiln dried wood, remember to as if the frame is constructed from hardwood rather than soft wood.