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Joined: Aug 24, 2009
Points: 1

Bed that won't "lump" in the middle
Original Message   Aug 24, 2009 4:30 pm
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Hi all.  My wife and I have a cal king Sealy (not sure what kind) standard spring with a pillow top.  We've had it about 5 years but after a year, a distinct "lump" formed down the middle.  Basically, right in between where we both sleep.  We're looking for a new bed and we want one that won't create such a lump.  We've thought about going all out with a Tempur-Pedic but I've heard those sleep pretty hot.  My sister has a King Koil with a built-in foam top that she swears by.  Does anyone have any recommendations?  Don't really trust the sleep store salesmen since I'm sure if a lump formed, it would be out of warranty.

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Location: L.A. area
Joined: Jan 18, 2008
Points: 1160

Re: Bed that won't "lump" in the middle
Reply #1   Aug 30, 2009 7:38 pm
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You're right not to trust MOST salesmen...
In my opinion if you had no problem with the spring mattress, other than it breaking down as you said, then don't switch to all-foam unless you can do so with 100% refund as with flobeds. Because you are likely, in my opinion, to not like foam only, you need foam-over-springs. Some people do adjust to just foam but I think many do not. I'm in the latter group.

I'm going to answer your question in a new thread called "AN EXPERT'S ANSWER to the question What mattress should I buy?"
This message was modified Aug 30, 2009 by jimsocal

Joined: Aug 31, 2009
Points: 69

Re: Bed that won't "lump" in the middle
Reply #2   Aug 31, 2009 2:35 pm
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The lump you're describing could be something that is often referred to as a "King Bump". It's caused by the difference in box support between the edges of the King boxes and the centers. Since kings (Or California King) mattresses use two edge reinforced boxes the support is naturally sturdier where the boxes meet in the middle of the bed than it is halfway between the middle and the edge. I'd be willing to bet that if you looked the "lump" coincides with the point where the two boxes meet.

You have several options here:

1) Sealy's warranty does cover this problem if it has created a difference in bed height greater than 1.5" from the highest point of the lump to the lowest (non-button) point of your deepest impression. Sealy's warranty is 10 years non-prorated, non-fixit. (You should more or less get a comparable mattress or even the money you paid towards another mattress.

2) If you're set on getting a new mattress a change in your bed can actually help prevent the problem in the future. Platform beds are types of beds that are designed to be used without boxes. So, when you go to purchase your new mattress you will only buy the mattress and not the set. Since you're not using another manufacturer's boxes (you're using no boxes at all) your warranty will still be good.

3) If you don't want to do either of the above options very good quality memory-foam mattresses are less susceptible (not impervious) to this problem.



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