How to Link a Pop-up Trundle & Day Bed


Turn a tiny daybed into a roomier, more comfortable sleeping spot. Connecting the pop-up trundle under the daybed with the top of the bed requires a foam piece to cover the gap. A single king-sized sheet helps to tie the two twin-sized mattresses together. This works because the length of the king-sized mattress is equal to double the width of the daybed mattresses, and the width of the king-sized mattress equals the length of the daybed mattresses.

Things You'll Need

  • 75-inch-long, T-shaped foam piece
  • Fitted king-sized sheet
  • Zip ties or rope
  • Pull up the pop-up trundle from under the daybed. Remove any bedding from both beds.

  • Place the T-shaped foam piece along the gap between the mattresses with the cross bar of the T-shape on top of the two mattresses and the bottom of the shape inside the gap.

  • Cover the two mattresses with a fitted king-sized sheet.

  • Tie a rope or a zip tie around the legs of the two beds where they meet to hold the beds together.

Tips & Warnings

  • Look for T-shaped foam pieces designed to bridge the gap between mattresses at bedding or furniture stores.

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