Seeking input on All-Latex Build

Mattress Talk General Mattresses Questions
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I’m going to be building my first DIY mattress. I wanted to check in with the experts to make sure that I’m not making any obvious mistakes or not taking any important aspects into consideration.

I recently purchased a Memory Foam Hybrid, and the heat retention is an issue. That brought me to Latex. I tested out a full-Latex mattress locally, and I preferred it over its Latex Hybrid counterpart. It was very expensive, and I came to learn that the softer layers tend to wear out quicker. I’m not going to make the investment on such a mattress if I don’t have the ability to change out any soft layers that may wear out. That brought me to the DIY world.

My ideal mattress will be on the plush side, will be appropriate for joint pains, and not too soft for a 200lbs+ occupant.

Sleeper #1: 6’1” – 220lbs – 100% Side Sleeper. Broad shoulders, have been dealing with shoulder pains on the Memory Foam Hybrid.

Sleeper #2: 5’10” – 170lbs – 80% Back/20% Side Sleeper.

I’m thinking of starting with a simple three-layer configuration.

Base: 6” Firm Dunlop – 36 ILD

Middle: 3” Blended Talalay – 28 ILD

Top: 3” Blended Talalay – 19 ILD

I’m leaning towards purchasing everything from Arizona Premium Mattress. The total cost will be around $2,000, but I’m budgeting for more, as I understand that not everyone gets it right the first time. I’m planning on holding off on purchasing a mattress cover until I feel comfortable with the number/type of layers that will be going into the final mattress.

Am I missing anything? Should I make any changes to my planned initial configuration? If it comes out too soft or too hard, what types of layers would I want to consider swapping or adding? Thanks!

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Better give a call to Ken @Arizona_Premium who can help you get the correct layers for your sleep patterns and weights

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This was the suggestion…

My only recommendation would be to change from Firm Dunlop to Medium Dunlop for the base core. I don’t really see the need for the firm since the heavier person is a side sleeper and the back sleeper is not that heavy.

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Your base idea is reasonable, but the comfort stack is doing most of the work here, and once you get into two full 3" Talalay layers, the system becomes very sensitive to depth compression rather than just surface feel.

That’s where builds like this can start to feel great initially but become harder to predict under sustained side-sleep pressure, especially around the shoulder zone at your weight range. Modularity is definitely the right instinct, because it gives you a way to correct feel without rebuilding the entire system, but I’d still be careful about overbuilding the upper section before you’ve validated how the core behaves on its own. If you had to prioritize right now, are you trying to fix the shoulder pressure first, or make sure the overall alignment feels consistent through the whole night?