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Self Inflating Mattress that fits in roof

Qnapper

Qnapper

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Just a public service announcement - if you have a self-inflating mattress then do not store it for long periods of time super squashed or having sucked every ounce of air out - it will lose its ability to expand because the foam/springs become permanently compressed. So you will find it does not self-inflate fully any more and its insulating properties will be lost.

This is well known in the camping world - sleeping bags, self inflating mattresses or basically anything that is foam, down or springs should be long term stored in at least a semi-inflated state.

Those storing in the roof with the standard mattress removed will be OK I am sure but if you suck everything out of it to store it in there with the original mattress then dont do that for long periods of time.

Jusr saying... I ignored the advice and ended up having to replace a sleeping bag and mattress that were previously great for camping.
Interesting post. Just wondered where you got this information from? Was it direct from the makers?
What happens to the brand-new mattress sitting on the shelf for months before being sold?
 
ArunAlec

ArunAlec

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Interesting post. Just wondered where you got this information from? Was it direct from the makers?
What happens to the brand-new mattress sitting on the shelf for months before being sold?
This is from the instructions regarding storage…
240BC821-E147-45BC-A62B-A28595F58C46.jpeg
 
Qnapper

Qnapper

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This is from the instructions regarding storage…
View attachment 88143
Yes, I have read that too. What I'm asking is where he got the information from? The user manual as you have shown states "PU foam can form a memory" key here is can, the supplied manual does not state: "it will lose its ability to expand because the foam/springs become permanently compressed"
Not being "picky" would just like to know from where this information comes from?
 
apreading

apreading

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From multiple sources over the years. Its even worse with down products than foam.

But its just common sense when you think about it - if you keep products compressed for long periods, they lose their springiness.

You can find all sorts of references, e.g.:


5. How long can you keep a memory foam mattress in the box?


Ideally one should unbox the foam mattress within 3-4 days of arrival. However, the time frame varies from brand to brand.


The exact duration for which you can keep a memory foam mattress in the box is mostly indicated by the manufacturer which may approximately range somewhere between less than a week to 3 months.


One should also be aware of the risks involved with a long waiting period to unbox the mattress that are as follows:


  • The memory foam mattress might not expand fully,
  • Possibility that the foam may not feel the same.
  • You could end up voiding the warranty.

What Will Happen If Memory Foam Mattress Stays in a Box for Too Long?​

Memory foam mattresses have a certain time under which they should be unboxed, as said earlier. But, what are the consequences? Here we review the potential risks of leaving a mattress in the box for too long.

1. Damage to Mattress
Memory foam mattresses usually consist of multiple foam layers. Some include support foam, gel foam, comfort foam, base foam, and others. All these layers together form a memory foam mattress and make it sit together nicely.

If the mattress spends too much time encased, folded, and rolled, the memory foam inside of it may start losing its contouring properties and not feel so comfortable once you start laying on it.

Companies that allow for longer enclosure of memory foam mattresses usually use a better quality foam that is more durable and can last longer in such conditions. Still, not all companies can guarantee that.

There’s a good reason why we don’t wash memory foam products. For example, it’s not advisable to wash memory foam pillows in the washing machine, as the material could degrade. The same goes for compressed memory foam. It could start losing its properties and qualities over time.

2. It Won’t Expand​

As we said earlier, memory foam sits compressed for more convenient shipping and placement at home. That also makes it easier to carry and store, unlike innerspring mattresses that feel huge. However, if you keep it rolled and compressed for too long, the memory foam quality will not only degrade but also disallow the mattress from expanding.

Usually, after getting a memory foam mattress, it can take between 24 hours and up to 3 days for it to completely expand. It may either take a ridiculously long time to expand over your bed’s frame or expand only partially, leaving other parts of the mattress either too soft or degraded.
 
Loz

Loz

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Corradobrit

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Has anyone tried these?

or 2 of the red singles for a better fit, both are 10cm thick.
2x single red ones would be 6cm too wide for the poptop. The 7.5cm should work though, as they are only 60cm wide. The egg crate foam insert isn't going to be as comfortable as the delta in the S2S.
 

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