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firming older mattress 02 Jan 2016 23:19 #1

  • Miss Bubbles
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Hi. This might seem comical, but I have a 20 year old Serta Perfect Sleeper (I believe it's a Constellation Star), and until I can decide on the best mattress for me, I'd like to keep my Serta for now. Of course, being 20 years old, it is sagging a bit, but I absolutely love the feel of the pillow top ( It sleeps very cool and has a luxurious feel to it that I dont think can be replaced) It's a double sided mattress that sits on its original box springs, on the floor (metal frame broke).
Basically I need some advice on best way to firm it up without it collecting mold. I've ruled out plywood because of the mold factor, thought about pegboard, and read that some people recommend Coroplast or radius decking slats. I understand those won't give me the exact feel as if directly on top of the box spring, but I'm really going for a firmer feel while keeping the comfort of the mattress itself. I don't want anything that would emit chemicals/formaldehyde and something that would breath.
Would a metal bed frame underneath the box spring and some metal pegboard in between the mattress and boxspring be sufficient? (or Coroplast, radius decking slats?). Or would the metal pegboard be too harsh?
(could it even be cut to size?). And how much would a metal frame underneath the box spring help in terms of firmness and airflow?
Or should I just get rid of the boxspring and use a bunky board or platform bed instead? Sorry, but I still love my bed! Lol.
Thanks in advance☺

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Last edit: by Miss Bubbles.

firming older matrer 03 Jan 2016 00:02 #2

  • phoenix
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Hi Miss Bubbles,

I don't like to be the bearer of bad news but there really isn't a reliable way to firm up or "fix" a mattress that has developed soft spots or has started to sag without first identifying and then removing and replacing the materials or components inside the mattress that are the cause of the problem. Basically you would be rebuilding the mattress using any of the materials or components inside the mattress that are still in good condition (which is unlikely after 20 years).

While the box spring may also be part of the problem if it has also developed soft spots or is sagging ... it's likely that the mattress itself is past it's due date and needs to be replaced regardless of the support system underneath it.

All of the ideas you are suggesting really come down to using a firm non flexing support system under the mattress to replace your current box spring which as you mentioned will tend to firm up the deeper support of the mattress (a foundation won't flex under the mattress like a box spring) but the only way to know whether this would end up being suitable for you to sleep on (at least for a while) or would firm up the mattress "enough" will be based on your own personal experience.

You could try sleeping on the mattress directly on the floor for a few days to see if this makes "enough" of a difference and if it does then you could purchase a foundation to use under your mattress to replace the box spring (a foundation would be similar to the floor since it would have limited to no flex). Most mattress stores will be able to sell you a foundation at a reasonable price. You could use the foundation directly on the floor or on a steel bedframe if you need some extra height.

And how much would a metal frame underneath the box spring help in term of firmness and airflow?


It probably wouldn't affect the airflow directly under the mattress enough to make a difference and it wouldn't make any difference in terms of firmness compared to using your box spring (or a foundation) without a bedframe since it wouldn't make the box spring or foundation any firmer than it already is ... it would only add some additional height.

There are also some suggestions in post #4 here that may also be helpful ... at least partially or temporarily,

Phoenix
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Last edit: by Administrator. Reason: Updating link to https: status

firming older matrer 03 Jan 2016 01:00 #3

  • Miss Bubbles
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Thank you Phoenix, that was very helpful.

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firming older matrer 03 Jan 2016 01:09 #4

  • Miss Bubbles
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One more thing. If I found that the mattress feels firmer on the floor, do you think metal particle board would feel to harsh between the matress and the boxspring?

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firming older matrer 03 Jan 2016 01:49 #5

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Hi Miss Bubbles,

I'm not sure what you mean by "harsh" but any firm, flat, non flexing support surface under the mattress would be similar to the floor (which is also firm, flat, and non flexing).

Phoenix
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