Upgrading Your Sprung Sofa Bed: When It’s Worth It
Upgrading a sprung sofa bed is worth doing when the frame and mechanism are still sound and the problem sits in the mattress, the slats or the seat foam, because those parts can be replaced for a fraction of the cost of a new piece. It stops being worth doing once the timber joints have opened, the metal action has twisted or the upholstery has failed at the seams. This guide explains how a sprung sofa bed is built, how to diagnose which layer has worn out, which upgrades give the most comfort back, the four honest signals that point towards replacement, and the habits that extend the life of the one you keep. There is also detailed guidance on choosing a replacement mattress, covering the depth measurement that decides whether the sofa still closes, the difference between pocket sprung, memory foam and hybrid options, and why a slightly firmer choice suits a folding base....