A bed frame should be evaluated on six factors: weight capacity, frame material, slat spacing, box spring compatibility, ease of assembly, and warranty length. Get these right and almost everything else takes care of itself.
Buying Guide
What to look for in a bed frame?
Weight capacity matters more than most buyers realize, especially for heavier sleepers or shared beds, since undersized frames are the leading cause of early structural failure. Frame material determines both durability and noise: steel frames resist flex and rarely squeak, while low-grade MDF wood components are the most common source of the creaking complaints that flood reviews after three to six months of use. Slat spacing under 3 inches typically eliminates the need for a box spring; anything wider and you'll need one to prevent mattress sagging.
- Bed frame weight capacity ranges from roughly 250 lbs (basic metal) to 2,000 lbs (reinforced steel platform).
- Slat spacing of 3 inches or less is the threshold for box-spring-free mattress support.
- Standard bed frame warranties run 1 to 5 years; premium frames often carry 10-year or lifetime coverage.
- Steel and solid wood frames outlast particleboard or MDF construction by several years under normal use.
- Platform bed frames with center support legs are required for queen, king, and California king sizes to prevent mid-span sag.