Customer service said on a firmness scale of 1-10 (10 being really firm) the lumbar pillow is about a 5.
This comes up because I'm looking at two couches in particular of theirs. One of them is 86" long (they only just started selling it in that size, previous size was 96") and has back cushions, but the height from the top of the back frame to the floor is 26 inches. That's almost three inches lower than my current couch, which would be kind of a problem. 4/7
Couch 2 has a much higher back- 31 inches from frame top to floor- but has padded upholstery rather than cushions. It's 91" long. The back is supposed to be about an 8 on the 1-10 firmness scale.
The seat cushions on the 86", the ones you actually put your ass on, use a foam that's 1.8 pounds per cubic inch in density. They said that starts off as a 7 on the firmness scale but softens to 5 with use. The replacement foam I used on the Ikea couch is 1.6 pounds per cubic inch, I know that. 5/7
I am... not entirely sure what an 8 back would feel like but I suspect that I am going to need to heap the cushions on.
... hm. okay. The #Sabai rep said that the seat cushions on the 86" are 1.8 lbs/cubic inch density and 28 firmness. If I'm understanding this correctly, the 28 is the foam's #ILD rating. The foam I bought from Joann for replacement cushioning has an ILD score of 36, so it's somewhat firmer.
*drums fingers on table*
6/7
Not happy with the lack of back cushion on the 91" couch. I have plenty of smaller cushions that can be used to supplement that, though. And the higher back is more important; you can make up for lack of back cushion but you can't make the back frame higher.
7/7