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So I decided to cut open my Serta Baywatch Perfect Sleeper (purchased in 2000) to see what was causing the excessive sagging. Unfortunately, it turned out to be the springs and not the foam. There was very little foam at all - three layers that were each maybe 1/4 inch thick. SOOOO disappointing. I could clearly see that the shape of the mattress without the padding was exactly the same as it is with the padding. The center springs are shot. So, as a temporary fix, I folded up some blankets and layed them vertically along the center of the box springs so that they would push the center of the mattress up into a more comfortable position. It made for a much more comfortable sleep last night...no back pain! However, I have no idea how long this fix will last, so hopefully I'll be ordering our Flobed soon.
Thanks to all of you for your help. I did take pics and will add them to this thread as soon as I upload them. This message was modified Mar 17, 2010 by Q119
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It appears a lot of the sag is in the box spring. Place a weighted string across the width of the matress and you can measure how deep it is. Any mattress will instantly follow the contours of a sagging box spring. It is rare when the source of mattress sag is the innerspring unit inside the mattress. Over the years I have cut open ten mattresses that were used for ten plus years. Nine of the innerspring units were still like new. One had a 3/4" sag, from a low end Bonnell coil mattress. The rest of the sag is from the low density foam, which loses 30-40% of its original height and a similar percentage of its original firmness, under the areas where most of your body weight is focused. |
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mattressdan wrote: It appears a lot of the sag is in the box spring. Place a weighted string across the width of the matress and you can measure how deep it is. Any mattress will instantly follow the contours of a sagging box spring.
It is rare when the source of mattress sag is the innerspring unit inside the mattress. Over the years I have cut open ten mattresses that were used for ten plus years. Nine of the innerspring units were still like new. One had a 3/4" sag, from a low end Bonnell coil mattress. The rest of the sag is from the low density foam, which loses 30-40% of its original height and a similar percentage of its original firmness, under the areas where most of your body weight is focused. Loved your photo's and surgery. |
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The boxspring is part of the problem just like mattressDan said. Does your frame have a center support? If it does use a string and pull it tightly across the frame from side to side see if the frames center support is dipping in the middle. If it does the problem started with the frame or possibly with a thick carpet under the frame. If you have very thick carpet it could be that your carpet has compressed more under the center support than under the side rails of the frame. Next put your box spring on a floor that is perfectly flat, see if your boxspring still sags or rocks from side to side. If it does you need to throw the box-spring away. My recommendation is to build a solid flat platform type of foundation no matter what since they will provide the best support for your mattress. Make sure that the foundation is 'SOLID" with no give or flex anywhere! That should help your problem. It could still be that your srpings have a slight sag from sitting on top of faulty frame or box-spring. But most of the problem should be solved. Hope that helps! |
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Thanks for the ideas. It is a full bed, so no middle support. I put some plywood in between today, so will see how that works tonight. Unfortunately, I live in a small studio, so don't really have room to put my mattress on the floor. I have laid a yardstick across the center and there is about a half inch depression without me in it. I have a 1 and 1/2 inch topper of latex from latex international on that may be adding to the dip. I bought it when I had the Englander latex mattress (donlop) that turned into a brick a few years ago.... after a couple thousand, I couldn't wait to get rid of it. the topper didn't help. It is probably around 19 ILD ..... too soft. I just don't have any money right now to buy anything new. When I do, I am gong to buy the cheapest s brand, firm and put toppers on it...... I spent another 800.oo for a sealy Post. after that which lasted about 2 years without a dip..... why not just buy cheap cheap, and when the dip happens buy another cheap. whoever tries to stick up for the mattress industry.... sorry.... I think it is a crime !!! |
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Full size beds will sag without center support as well, no matter what the industry says. Buy a solid wood foundation! Put in a few slats on your frame and make legs under each slat in the middle to support it. Good luck!
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