Hi mb321,
[quote]mb321’s Avatar
Response below about the American Handcrafted foam mattress - surprisingly it did come from a Dutch Craft representative.
Thanks for your interest in the Silver Bay. Here are the specs.
2" preserve 4 lb gel infused memory foam 12ild
2" 4 lb memory foam 15ild
7" 1.8 lb foam core with a 24 ild
Hope this helps!
Thanks![/quote]
I guess that the “American Handcrafted” is the name of a line of mattresses made by Dutch Craft rather than the name of the manufacturer of the mattress.
In any case … the specs you listed don’t have any weak links in terms of durability and would be fine for most people that weren’t in higher weight ranges (you can see the more specific guidelines I would suggest in post #4 here).
[quote]1. 1" bamboo infused visco top layer - 1-2 lb density
2. 3" visco memory foam middle layer - 3-4 lb density
3. 7" base foam - 4-5 lb density
She did not have numbers for ILD.
She also didn’t sound sure about density for the top layer.
I asked why she provided ranges instead of exact numbers. She said because in the manufacturing process the materials are liquid before pouring into a mold so they just have ranges. Not sure I get that, but she didn’t know any further information.[/quote]
These specs would be “questionable”. If you are given density specs that are in a range that is that wide (ranges of about 5% to 10% would be more normal) then I would assume that it was in the lower end of the range and 3" of 3 lb memory foam would generally be a weak link in a mattress and I would tend to choose mattresses that have a minimum of 4 lb density memory foam unless you are in the lowest budget ranges or durability and the useful life of a mattress isn’t a significant issue for you (such as buying a mattress for temporary use of for a guest bedroom that is only used occasionally).
It’s also very unlikely that the polyfoam in the 7" base layer is 4 - 5 lb density since this would normally be in the density range for memory foam not polyfoam. If the only lower density layer was the 1" on top then it would be inside the guidelines I normally suggest which are “about an inch or so of lower density or unknown materials in the upper layers of a mattress” but with the lower density memory foam in the 3" layer below that and with the questionable specs in the base layer (which doesn’t give me confidence that the person that supplied the information you received are knowledgeable about foam specs in general) the durability risks involved in buying this mattress would be higher than I would be comfortable with.
ILD numbers are “comfort specs” and aren’t important to know because your testing will tell you whether a mattress is a good match for you in terms of PPP (Posture and alignment, Pressure relief, and Personal preferences). With memory foam ILD numbers aren’t particularly meaningful anyway because they can change with temperature, humidity, and the length of time the memory foam is compressed and they don’t compare well as a measure of firmness/softness to ILD numbers for other types of foam.
[quote]Third, I contacted InnerSpace Mattresses in Dalton, GA about local retailers. Their answer is below. It sounds like they are primarily an internet retailer.
www.innerspacemattresses.com/index.php
We do not sell direct, but you are welcome to stop by our warehouse in
Dalton and we can show you some of the items we carry. Is there something in
particular you were interested in?[/quote]
I don’t know how I managed to link innerspacemattresses who are a wholesaler and usually sold online as you mentioned. It was supposed to be in Trenton. I’ve edited the listing and thanks for bringing it to my attention :).
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