Coil mattress, also known as the core or the innerspring unit, and provide the main support for the body. Proper support is essential not only for a good night’s sleep, but for maintaining a healthy spine. When considering the core of an innerspring mattress, there are a number of important factors: the number of coils used throughout the mattress, the way the coils are constructed, and the shape of the coils.
There are four main types of coils mattresses:
· Open (or Bonnell) coil mattresses have hourglass- shaped coils, which are attached to surrounding coils with a small wire spiral called a helical. This design provides good initial support and works to isolate motion transfer. However, open coils do tend to wear more quickly than other coil constructions.
· Offset coil mattresses have a construction similar to open coil but have a square head, which in theory enables the mattress to contour better. An offset coil is slightly more cylindrical in shape than an open coil which gives it durability.
· Individually wrapped (or Marshall) coil mattresses have an individually wrapped cylindrical coil contained within separate fabric pockets. Each coil is separate so the rest of the bed isn’t disturbed by the movement of the coils surrounding it.
· Continuous coil mattresses have rows of advanced coils made of a single continuous wire. By sharing the weight load across several innersprings, each spring holds its share and integrity longer.
There are four main types of coils mattresses:
· Open (or Bonnell) coil mattresses have hourglass- shaped coils, which are attached to surrounding coils with a small wire spiral called a helical. This design provides good initial support and works to isolate motion transfer. However, open coils do tend to wear more quickly than other coil constructions.
· Offset coil mattresses have a construction similar to open coil but have a square head, which in theory enables the mattress to contour better. An offset coil is slightly more cylindrical in shape than an open coil which gives it durability.
· Individually wrapped (or Marshall) coil mattresses have an individually wrapped cylindrical coil contained within separate fabric pockets. Each coil is separate so the rest of the bed isn’t disturbed by the movement of the coils surrounding it.
· Continuous coil mattresses have rows of advanced coils made of a single continuous wire. By sharing the weight load across several innersprings, each spring holds its share and integrity longer.
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