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Ergoflex - Memory Foam Mattresses
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Ergoflex® versus the Market Leader

In the world of memory foam mattresses, the TEMPUR visco elastic temperature sensitive pressure relieving mattress is renowned as the market leader. Established as memory foam technology became commercially available to the public, TEMPUR manufactures a range of high quality, high specification mattresses. At Ergoflex®, we're confident that we offer a viable high quality value alternative to Tempur's premium mattresses, and are happy to demonstrate this with a like-for-like comparison.

The most direct comparisons between any memory foam mattress can be made on composition, quality and price, so these are the factors that we'll look at here. While there are a number of low-cost memory foam mattresses available, the vast majority are inferior in terms of materials and performance, and cannot be realistically compared to mattresses at the very top end of the market. We're so sure of the quality of Ergoflex® memory foam mattresses that we can put them head-to-head against the market leader so you can see the results for yourself.

Composition: Ergoflex®'s deluxe 3rd generation visco-elastic memory foam mattress is made up of 9cm memory foam, 3cm 'cool sleep' air-flow system, 9cm high resilient base support layer, inner cover and luxurious Jacquard outer cover - making a total depth of 21cm. The TEMPUR 15cm depth Combi mattress contains 7cm of TEMPUR material and 8cm high resilient PU foam - making the Ergoflex® and TEMPUR mattresses similar in dimension and layers.

Quality: The TEMPUR Combi and Ergoflex® memory foam mattresses use high density PU foam as a base layer. Ergoflex® uses 9cm of 5.3lb (85kg/m3) density memory foam, while Tempur's mattress uses 7cm of 85kg/m3 density TEMPUR material - meaning that both mattresses provide a high performance premium experience.

Price: The Tempur Combi king-size mattress costs £1499, due to its high quality and household name branding. The king-size Ergoflex®, with its demonstrably comparable high performance and composition, costs £899.

Two outstanding memory foam mattresses, and one huge difference in price.

Take a look at our new guide to memory foam below for a more detailed explanation of the products available, and what you as a consumer should be looking for.

Memory Foam Mattress Reviews Read reviews on Review Centre Read reviews on Feefo
 

What exactly is 'memory foam' and why should I consider a memory foam mattress?

Memory foam is a technologically advanced type of visco-elastic PU foam.

True visco-elastic memory foam mattresses are temperature sensitive and are designed with billions of spherical shaped open cells. These cells are designed to respond to body temperature and pressure points. They shift their form under the weight of your body, shaping to the contours and giving support where it's needed most. Unlike standard foams, as well as its temperature-sensitive qualities, a memory foam mattress has an open cell structure which allows air to circulate freely through the material.

Visco elastic 'memory foam' mattresses are popular in mainland Europe, have been used in hospitals and by health authorities for many years due to their ability to greatly reduce pressure points and enhance the comfort of those spending long, inert periods in hospital beds.

The consumer market for memory foam mattresses has grown considerably in recent years due to their obvious benefits over traditional sprung mattresses. However the increasing choice has resulted in a wide variation in the quality of memory foam mattresses available, so customers must consider a number of important factors before making an informed decision.

 

What should I look for when shopping for a memory foam mattress?

There are many considerations and factors that should be taken into account when shopping for a new, high quality memory foam mattress. Quite simply, when it comes to buying a mattress and understanding memory foam specification, the three most important measurements and ratings are the 'Density', 'ILD rating', and 'Firmness rating' of the memory foam. These are three major indicators that will influence how the mattress will perform and the feeling you will experience.

We have done our best to explain these factors in detail in the guide below. Let's take a look at the basics

 

1) Mattress size:

It's well documented that we spend nearly one third of our life in bed. Yet recent research found the majority of consumers would commonly spend more money on a sofa than on their bed or mattress. In contrast, the majority of Europeans consider a mattress to be their most important furniture investment. We all spend a great deal of time on our mattress, so it's essential to get this right, as we all appreciate that a comfortable, restful, good nights sleep has a considerable bearing on our general health, mood, and well-being.

Practicalities considered, we feel it's important to try to buy as big a mattress as your existing bed base, budget, or room size will allow. Your memory foam mattress should be as large and comfortable as possible.

 

2) Is a memory foam mattress suitable to use on my existing bed base?

An Ergoflex® memory foam mattress will be suitable for most bed bases and bedsteads, although some will make it feel and perform better than others. If you are using a wooden 'slatted' style bed or bedstead then we recommend the gaps between the slats are no wider than 2" - 3".

The >Ergoflex® memory foam mattress is also compatible for use on a sprung divan style or 'box' style bed base. However it's worth noting that the mattress does not require additional support or suspension from the bed base, so a solid, stable bed platform or base is the ideal foundation for this type of mattress.

 

3) Why is it so confusing to compare different models and manufacturers of memory foam mattresses?

It could be perceived that it suits many retailers to make it almost impossible to make a basic consumer comparison between different memory foam mattresses, their specification, and what you are actually getting for your money. We at Ergoflex® UK have tried to be as transparent and informative as possible. We truly believe our mattresses offer the best performance, quality, and value for money currently available in the UK. We feel if you have something to shout about, it's important to shout loudly - not make it difficult to make comparisons. This is why we have put our memory foam mattress head to head with the TEMPUR mattress, recognised by all as the pioneer and market leader in the manufacturing of memory foam mattresses.

Of course we have something of a vested interest in this, however on experiencing the comfort our mattresses deliver, we're sure you'll agree.

 

4) Is the overall depth of the memory foam mattress important?

Yes. Although it's important not to confuse the overall depth of the memory foam mattress with the depth of the memory foam layer itself - as it's this, and only this, which will make it feel comfortable, supportive, and overall, deliver the pressure relieving qualities you would expect and deserve from a high quality memory foam mattress. The Ergoflex® memory foam mattress comprises a generous 9cm of 3rd generation high-density 85kg/m3 density visco -elastic memory foam, which will provide the quality sleeping experience you would expect for years to come.

 

5) What does the 'density' of a memory foam mattress really mean, and why does it matter?

The density rating of any foam mattress generally refers to the density of the top layer of visco-elastic memory foam, not the entire mattress - as the supporting base foam layer of a true memory foam mattress uses a 'high resilience' or 'impact resistant' polyurethane foam. This should never be confused with visco elastic memory foam. It's important to understand that the top layer of visco-elastic memory foam is the most costly to manufacture, and ultimately the most important component in any memory foam mattress composition.

The density rating is a measurement of how much visco-elastic memory foam actually resides within the foam layer of the mattress. The lesser the density, the lesser the raw material content actually making up the memory foam layer, and ultimately the bigger the cells or 'air cavities' as a result. The higher the density of the memory foam layer, the heavier the memory foam will be. And most importantly, the cells or 'air cavities' in the memory foam will be smaller, more tightly packed, and present in greater numbers. This makes them both harder to break down and ultimately indicates the muscular / skeletal support and 'life expectancy' you can expect from the mattress. It is clinically recognised that the higher the density of the memory foam layer, the better support the memory foam will provide.

A high-density memory foam mattress will feel more full-bodied and sumptuous in comparison with lower quality imitations. However it is a common misconception that this dictates the firmness of the memory foam. Advanced manufacturers of true high-density visco-elastic foam are able to manipulate firmness ratings regardless of density. Many manufacturers producing low-density variants, such as 50kg/m3, will often make their memory foam feel firmer in an attempt to pass it off as high density. Inevitably the cell structure of mattresses with lower densities will break down much quicker and ultimately cause the memory foam to sag over a relatively short period of ownership and use.

As a rule of thumb, only companies supplying true high-density memory foam mattresses offer an extensive, confident guarantee or warranty period. Many lower density memory foam manufacturers will only offer as little as 12 months.

The density rating is calculated by weighing a cubic meter of the memory foam, which is why you see ratings expressed by weight, i.e. 85kg/m3. For those more comfortable using imperial measurements, the same calculation applies in that you weigh a cube of memory foam measuring 1 foot in each direction. The density is then displayed in lbs - i.e. 5.3lb.

The Ergoflex® memory foam mattress uses a luxury 9cm deep 3rd generation high-density memory foam layer, with a density rating of 85kg/m3, or 5.3lb.

 

6) How do I understand how firm the memory foam mattress will feel?

The best way to understand this is to go by the manufacturers rating. For example, the Ergoflex® memory foam mattress is rated as medium / firm.

However the difficulty with this is that no independent firmness tests or guides currently exist in the UK for manufacturers to adhere to and benchmark their mattress against others. This makes it difficult to understand comparisons between different memory foam manufacturers products. How soft or firm the foam feels to each of us is a very subjective matter. Each of us has different comfort preferences, which makes this interpretation or rating guide difficult to use in isolation. This is why we also recommend you understand the 'ILD' rating of the mattress to gauge its firmness. The ILD rating of a mattress is explained below.

 

7) What does the 'ILD' rating tell me about a memory foam mattress and why is it important?

The density and ILD rating of a memory foam mattress provides the best indication as to the quality and firmness level you should expect from the mattress.

'ILD' stands for 'indentation load deflection'.

Put simply, it indicates how hard or soft the memory foam will be.

This is calculated by measuring how many pounds of pressure are required to indent a 4" layer of memory foam by 25%. The test is performed by applying equal pressure over an area of 50 square inches to indent the memory foam by 25%. The amount of pressure required to indent the foam by 25% of its total depth is calculated in weight.

To make sense of this, and better understand the ILD rating of a memory foam mattress, please see our example below:

It may take 8lbs of pressure to indent a very soft memory foam by 25%, or 20lbs of pressure to indent a very firm sample of memory foam.

You will often see the ILD rating expressed in a range, i.e. 10 - 12, as opposed to a single number. This is because the ILD rating can vary slightly depending on how the memory foam has been conditioned or the environment it has been stored in prior to testing. Moisture and humidity are two factors that can influence the slight variation in measurement, which is why many retailers display the ILD rating in a range format.

Our memory foam mattresses have an ILD rating of 13 - 15, or more accurately, 13lbs - 15lbs - putting them in the category of medium to firm.


Why wait? Enjoy as early as tomorrow!

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Ergoflex Limited: 2 Maling Court, Union Street, Newcastle upon Tyne, NE2 1BP. Registered in England
Company registration number: 6187613. VAT number: 917666001
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