What Is Open Coil Spring Mattress

Open coils also commonly called the bonnell is the oldest and most common type of spring system and is often found in cheaper innerspring mattresses.

What is open coil spring mattress.

For older mattresses they are then interconnected and added below the top layer of comfort material. They are the traditional manufacturing method for mattresses capable of being mass produced with a low production cost this makes them one of the cheapest on the market. Many mattresses for back pain include coil on coil construction with a base layer of interconnected open coils for stability and a top layer of resilient pocketed springs that move independently. Since each coil is individually wrapped these mattresses excel in eliminating motion transfer.

They have a similar type of design and structure but each spring. Coil spring systems are created by tempering hot metal into coil springs. Open coil also known as miracoil continuous coil standard coil e t c are the most common types of mattresses which consist of a inter connected spring system. The open coil design consists of multiple springs which are interconnected within a wire frame.

The materials used in the mattress and the type of coils are much more important indicators of innerspring mattress quality. This also makes the marshall coil ideal for use with adjustable bases or foundations. A standard double open coil mattress will contain 200 400 springs that move as one unit so if you toss and turn in your sleep you are more likely to disturb your partner. For newer models the coils are individually wrapped in a cotton or polyester sheath and stitched in to the mattress.

Traditional open coil mattresses consist of a spring system where each individual spring is connected and lined together within a wire frame. Mattress coils or mattress springs are integral to the mattress support which in turn impacts comfort and sleep quality. When purchasing a mattress a factor of consideration for consumers is the kind and number of mattress coils in the mattress to best suit the customer s sleeping needs. Compared to the more superior innerspring types the open coil design provides average durability longevity motion isolation and support but doesn t rate as high as the next three listed below.

For those with back pain back issues or. Since each spring works independently this system is slightly less durable than a continuous or tied coil. Higher coil counts used to be associated with better quality mattresses but that s not the case today. For example an innerspring mattress could have a high coil count with springs made of low quality steel.

Let s look at open coil beds in more detail. A standard double open coil mattress usually contains about 300 springs.