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Guide

What the federal bunk bed standard actually requires

Guardrails, gaps and the 30-inch rule, taken from the standard itself rather than from marketing copy. Worth reading before you buy any bunk bed, ours or anyone's.

Information, not adviceThis page is general information, not a substitute for the assembly instructions and safety labels supplied with a product. Follow the manufacturer's instructions, and where a child is involved follow the age guidance printed on the bed itself.

Almost every bunk bed on sale talks about safety. Very few say what the rules actually are. These come from the standard, and they apply to any bunk bed sold in the United States, not only to these.

When a bed counts as a bunk bed

Once the mattress foundation is more than 30 inches above the floor. Below that height a bed is not covered by the bunk bed rule, and that is why low-profile models are described differently.

Guardrails

  • The upper bunk needs at least two guardrails, one on each side.
  • The rail on the wall side, or opposite the ladder, must run continuously end to end. Where it does not attach to the bed end, the gap can be no more than 0.22 inches.
  • On the open side, the gap between either end of the rail and the nearest bed end can be no more than 15 inches.
  • Rail tops must sit at least 5 inches above the top of the mattress. This is the figure a thick mattress quietly eats into, so it is worth checking against the mattress you own.
  • Rails must need a deliberate action to remove: either a fastener released first, or a movement in two different directions.
  • A lower bunk 30 inches or less from the floor does not need guardrails.

Openings and entrapment

The point of the whole rule is to stop a child being trapped between the upper bunk and the wall, in the space under a guardrail, or in an opening in the bed ends. Compliance is checked with a wedge block shaped like the torso of a small two-year-old: no opening above the upper mattress foundation may let it pass freely.

How compliance is certified

Makers and importers of children's bunk beds must issue a Children's Product Certificate after the bed has been tested at a laboratory accepted by the Commission. For adult bunk beds it is a General Certificate of Conformity backed by testing or a reasonable testing programme. If nobody can point to one, that is a fair question to ask.

Requirements above are as published by U.S. Consumer Product Safety Commission and read on 2026-08-08. Adult bunk beds are covered by 16 CFR Part 1213 and children's by 16 CFR Part 1513.

Sources for this page

Where these numbers come from

Pack sizes, dimensions and prices are read from a product data feed and carry the date of the update that produced them. Prices were last updated 2026-08-08.

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