beds · short extract
Can I put a memory foam mattress on slats?
In short
Yes, when the exact mattress maker approves the slatted base. Check the maximum clear gap, slat type, condition and centre support. There is no universal spacing limit for every memory foam mattress.
What else should I know?
Measure clear gaps between slat edges. Centre rails on wider frames reduce deflection. See the slatted bases guide for solid versus sprung slats.
This short page is an extract. The full guide holds the tables, sources and exceptions.
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Updated 2026-09-08. All answers