Sprung Slats: The Bed Detail That Makes All the Difference

The base beneath your mattress rarely features in a buying decision, yet it changes how the bed feels every single night. This article looks closely at sprung slats: the curved laminated timber strips that flex under load and sit in rubber holders across a bed frame. We explain how the arch works as a shallow spring, how sprung slats differ from flat and solid bases, and why the gap between slats can determine whether a mattress guarantee stays valid. There is guidance on single beam versus twin beam construction for larger sizes, on which mattress types suit a flexible base and which do not, and on the assembly details that quietly cause creaks and dips later on. You will also find a short maintenance routine that prevents most base problems, plus a note on why many upholstered beds hide a sprung slat system beneath their fabric. A closing FAQ covers the practical questions....