Production techniques:  
Janssen Group mattresses range includes both typical innerspring and various non-spring mattresses, like foam, latex mattresses and visco-elastic memory foam mattresses ..

Innerspring Matresses :
Innerspring mattresses are the most common type of mattresses. They consist of a spring zone and a comfort layer. The innerspring is the source of support and provides proper spinal alignment while you sleep. Beneath the ticking of the mattress are the comfort layers that cushion your body at the sleep surface. The combination of various foams and fibers provide varying levels of softness and comfort. These are the types of coil mattresses, produced by Janssen Group: 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.
Active coil (LFK) 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.
Pocket 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. ' requirements are classified as follows:
Polyurethane foam mattress :
Today the polyether / polyurethane foam (below 35 kg/m³) is really the entry level, the price is very affordable for small budgets and lightweight .Cellular material existing in different densities (25 kg/m3 to 60 kg/m3) polyurethane foam material is airy, light, easy to handle and has a strong power elasticity and firmness different offers. 
Latex mattress:  
Latex is extremely resilient and breathable which helps to reduce the heat buildup typically associated with all-foam mattresses. Its unique construction allows it to instantly respond to the body to provide a high level of comfort while helping to promote proper spinal alignment. These qualities allow latex foam to act as a support system in lieu of a traditional innerspring.
Memory foam mattress:  
Memory foam mattresses feature a visco-elastic memory foam core as the support system, rather than the traditional innerspring. Like latex foam, memory foam’s ability to deliver both comfort and spinal support allow the foam to act as a support system in lieu of a traditional innerspring.
Natural cotton mattress:  
Cotton is perfect for use in mattresses because of its unique combination of comfort and durability. Natural cotton also has the additional advantage of being able to breathe. When placed in mattresses, this allows air to circulate throughout the mattress, keeping the sleeping area fresh and eliminating toxins and dust mite.
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