Ghost Bed

[phoenix]

Hi LibbyG,

Welcome to the Mattress Forum!

So I’ve been trying to educate myself on memory foam mattresses and your website has been great!

I’m glad the information here has been helpful to you.

In your post about materials and durability you stated that 5 lb and higher will be the most durable, 4 lb will be less durable but may be preferable because of feel, and you specifically noted to avoid anything less than 4 lbs. Then in this post, I just discovered the Ghostbed, which was previously my top contender has a base layer of only 2 lb density for the majority of the mattress, and the top layer is only 2.5 lb… Which make it seem like a subpar mattress that won’t be very durable. But this comment feels like its contradicting all of that.

You’re confusing density information about different types of foams (no worries, it’s a common mistake). While explained in more detail in the mattress shopping tutorial, you may wish to read the mattress durability guidelines here. The recommendations for poly foam and memory foam are different.

If you look at the specifications of the Ghostbed in the Simplified Choice Mattress Thread here, you’ll see that it uses a polyfoam base of 7.5" at a 2 lb density, which would be considered a good quality material. On top of that is a 2" layer of 4 lb memory foam, which would be a good density for most individuals, although I would ideally recommend 5 lb for someone in a higher BMI range. On top of this is 1.5" of synthetic Dunlop latex, which is a good quality and durable material.

When you’re finding out the information of what’s in a mattress, you not only need to learn the thickness of the materials being used, but you also need to differentiate between the different types of materials and then compare the information about each layer with the durability guideline for that material I linked to above.

I hope that helps clarify things a bit for you.

Phoenix