Multiple builders/brands discussed (e.g., Arizona Premium Mattresses; Saatva; Silk&Snow; Original Mattress Factory); primary consensus on latex modular design DIY modular latex mattress system (latex base + replaceable latex toppers)
8/10
Community consensus indicates latex-based modular mattresses can maintain long service life when comfort layers are replaced rather than discarding the full mattress. Reports of sagging are mainly associated with cheaper memory-foam mattresses, while latex bases are repeatedly described as retaining shape for years.
