Buy Sofa Bed Mattress Replacement May 2026

The most common mistake is measuring the old mattress. Over years of folding, mattresses lose their shape and may no longer reflect the original dimensions needed for your frame.

Highly durable and breathable. It is naturally hypoallergenic and more responsive (bouncier) than memory foam. Mattress Insider offers customizable latex options for non-standard frames. buy sofa bed mattress replacement

Open the sofa bed and measure the interior width and length of the metal frame. The most common mistake is measuring the old mattress

A 2-inch memory foam topper can add a layer of luxury for a fraction of the cost, though it may need to be stored separately if it’s too thick for the sofa to close. A 2-inch memory foam topper can add a

Modern replacements have moved far beyond the thin, squeaky innersprings of the past.

For foam, aim for a density of 1.8 lbs or higher. Lower densities (1.2–1.5 lbs) tend to bottom out and lose their shape quickly after being stored folded.