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Mattress Springs
The following five factors are what influence the degree of comfort, durability and support of a mattress.
1. Number of springs or coils
2. The shape of the above
3. Gauge of wire used
4. Number of turns in each spring
5. Distribution of the springs
Number of Springs
Ideally there should be at least 300 coils in a double bed and 375 in king size. Comfort should be your guide, more doesn't mean better.
Spring Shape
There are several different shapes of spring; Hourglass-shaped, Continuous coil springing, Open-ended coils and Pocket-spring.
Pocket sprung mattress are a type that we manufacture. They consist of a grid of springs, each has their own fabric pocket. As they are not wired together each spring is able to work more or less independently. The weight on one spring doesn’t affect those surrounding it (except for the pull of the mattress cover). Tests have consistently rated pocket sprung mattresses as the most comfortable type of inner-spring mattress.
Wire Gauge
The wire that the springs are made from varies in durability, strength and quality. The lower the number the thicker and stronger the wire is i.e.13 gauge etc) When sire is measured in millimetres obviously the higher the number the thicker it is.
Active Turns
This is the number of turns that are supporting and adsorbing the weight of the body. The softer the bed the more the turns and the longer the springs will last because of the weight / work load distribution.
Distribution of Springs
Some mattresses have different support zones, the centre third usually has firmer springs to support the heaviest parts of you. Some also include edge support springs which provide more support and strength at the edge of the mattress. They also protect against the comfort and spring systems breaking down around the edge of the bed.
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