Where to start with latex hybrid comfort layer

Mattress Talk 2) Materials, Specifications & Designs
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I’m taking the plunge into DIY mattresses and I’m trying to figure out how thick and what composition to make the comfort layer in a hybrid latex setup.

Most of the off-the-shelf options and guides use around 3"

But is it better to use one solid slab of 3" talalay? Or would it make more sense to split it into a 2" slab of talalay and 1" of dunlop?

I’ve seen some people on this forum dislike 3" latex because it sinks-in too much.

I’ve also seen other posts say that 1" of latex is not enough to make a difference.

With that in mind, would it be a safer bet to start with 2" talalay and 2" of dunlop?

I know the only real way to know is to test for myself, but I’d like to know if anyone has recommendations on 3" vs 4" on the comfort layer and using 1 vs multiple types of latex. Will I realistically even feel a difference?

Background: I’m 5’8" and fluctuate around 145lbs, generally a side sleeper but also tend to move and switch sides/positions in the night. My current bed is the (discontinued) “#BestMattressEver” from Brooklyn Bedding, which has a 6" foam support core, 2" of dunlop and 2" of talalay. I’m not sure how dense, but it was marketed as “soft”. I’ve been happy with that bed, but it’s now 11-12 years old and starting to sag and give me back pain.

The rest of my planned hybrid setup, from bottom-up:
1" Base layer of coconut coir from The Futon Shop
8" Pocket Coils - L&P Quantum Edge Elite Bolsa from Arizona Premium Mattress
Comfort Layer
Bamboo-Wool Cover - height TBD from Arizona Premium Mattress

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Hi lotap,

Welcome to the Mattress UnderGround. Thanks for your question. Doing a DIY mattress can be both challenging and rewarding.

I think you’re approaching this from the right perspective by asking questions before buying components, but I’d caution against focusing too heavily on whether the answer is 3" vs. 4", or Talalay over Dunlop versus a combination of the two.

One of the biggest misconceptions about DIY mattresses is that it’s simply a matter of stacking layers until you arrive at the “right” feel. In reality, every component influences every other component. The comfort layers, transition layers, coil unit, cover, quilting materials (such as wool used for fire protection), and even the stretch characteristics of the cover all work together as a complete sleep system. Change one component, and it can alter how the others perform.

Then there are the factors outside the mattress itself that are often overlooked. A proper foundation is critical to how any mattress performs and wears over time, and the right pillow is just as important for maintaining spinal alignment. It’s not uncommon for someone to solve one issue with a new mattress only to discover that an old pillow or inadequate foundation has become the limiting factor.

You have to remember that everything between you and the floor matters, even the floor!

DIY can be incredibly rewarding, but it also comes with some risks. It’s easy to end up chasing comfort by swapping one layer after another, only to spend more than you would have on a professionally designed mattress. Individual components rarely have the same return or exchange policies as finished mattresses, so every decision carries a bit more financial risk.

Rather than trying to reverse engineer a successful build from forum posts, I’d encourage you to work with one of TMU’s Trusted Members that specializes in latex and component mattresses, such as @Sleep_EZ or @Arizona_Premium . They’ve spent years helping customers design systems based on body type, sleeping position, preferences, and existing mattress experience. They understand how all of the components interact,not just the latex layers, and can help you avoid many of the common DIY pitfalls while still giving you the flexibility that makes DIY appealing in the first place. Since it appears you are purchasing some components from TM’s already, you would be wise to gain some of their wisdom for you project, you will be happy you did.

This is not to suggest that you planned hybrid is flawed, but the TM’s do this as routine every day and their help could prove invaluable.

Best of luck on your project.

Maverick

A good DIY build isn’t just about choosing great materials; it’s about understanding how the entire sleep system works together.

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