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Old 09-11-2017, 12:05 PM   #21
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Im about to replace my 2 inch SMB foam with something better. Anyone manage to still have the top close down onto 3 inches of foam? Obviously the density of the foam matters, but after this last weekend trip, the wife and I agree we need something better up there and I would rather have it be something that stays up there.
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Old 09-11-2017, 12:36 PM   #22
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Our top closes on 4" of foam, but I'm not sure what the differences are between the Chevy and Ford tops (our's is a Chevy). It's the only way I've been able to sleep comfortably in our PH. One thing is for certain with memory foam though, and that is that you need to cover it with something that isn't too thick or that will allow the foam to stretch...meaning that if you were to simply cover memory foam with the exact same fabric that smb used to cover our PH beds with to begin with, you'd have a softer bed, yes, but it wouldn't be anywhere near as soft/compliant as the same thickness of foam covered with a very light and elastic fabric. I bought our topper from Walmart and cut it down to size using long exacto blades. It's easy to do if you have a large cutting surface and something that you can compress the foam with, making it very thin. My wife made a custom-fitting cover out of some nice bed sheets for it and we just lay it on top of the PH bed. It definitely made the whole setup significantly heavier, but it's worth it. If I had the time and were so inclined, it might be a fun project to make a carbon fiber-based bed with the memory foam built-in and just get rid of the original smb version.

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Old 09-11-2017, 02:31 PM   #23
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Quote:
Originally Posted by bemerritt View Post
Im about to replace my 2 inch SMB foam with something better. Anyone manage to still have the top close down onto 3 inches of foam? Obviously the density of the foam matters, but after this last weekend trip, the wife and I agree we need something better up there and I would rather have it be something that stays up there.
I've got 1" thick (5/4" lumber) panels supporting 4" of foam, so 5" total....that clears the top when it's down.....you'd need a feeler gauge to measure the space but it clears. I have the std "ribbed" top...Brian I know yours is smooth...

....easy enough to try one of my cushions in your van...
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Old 09-11-2017, 03:02 PM   #24
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I might have to take you up on that. I tried a 4-5" pad ontop of 1 1/4" support panel and it looked to be about 1-2 inches too big. so i have a 3 inch pad on order, should work fine.

If that fails, ill have to try your pad and investigate the difference in the flat vs ribbed tops.
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Old 09-13-2017, 06:18 PM   #25
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On the bed I built, put down a quality carpet pad (able to get a scrap 70"x96" from HomeDepot for $5) and then put a 3" memory foam pad on it. Worked perfect. The carpet pad added some protection from pressure points.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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