This is a King Size bed, which is the same as 2 Twin Extra Longs, so that is what I made; for ease of getting in the house, and so that is can be used as 2 separate beds if the need ever arises.
Materials:
3 4x8 sheets of 3/4" OSB
1 4x8 sheet of 1/4" plywood
20 1x3x12' furring strips. (If you hand pick the strips, you can get away with 8footers, I needed the extra length to avoid knots/splits, etc.)
Wood glue
Wood screws (I used 1" and 1 1/4")
Sand paper
Wood stain
3 Hinges
2 magnetic cabinet clasps
Tools:
Drill/Driver with bit for screws
Table Saw (or circular saw)
Miter Saw (helpful but not required)
Power Sander
Tape Measure
Paint Brush
I spent $84 on this project, but already had the sand paper, glue, stain, and 1/4" plywood.
In the pictures, the drop-down front is not shown, but it will cover the 2 storage openings in the front. Looking at the finished project, next time I would have just stained the inside and left the openings exposed.
Check out the DIY latex mattress that went on this frame:
http://www.instructables.com/id/HealthyEco-Friendly-Latex-Mattress-assembly/

































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Like this when viewed from the side. This way you should have plenty of strength and two shelves per side.
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-Steve
thanks for all the help on this!
If you want the openings on the long side, I would recommend making a structural frame, then cladding it in the OSB. I had said to use a 2x4, but I am sure 2x3's would be more than strong enough. Yes, I would stand the 2x3's on vertically, so from the side you see the 3" dimension, that would make it strongest. Although, unless you make the height of sides taller, the opening may be too small to be practical.
Perhaps another option would be to double up on the plywood/OSB sides to make them 1.5" thick or so. Glue and screw them together. That may be all the structure you need.
These are my questions
1 – On the 2x4 frame, is only 1 2x4 center support enough or would I need 2?
2 – Is it okay not to apply the OSB cladding on the back long side? It’s against the wall so not needed aesthetically, also we have outlets back there I don’t want to cover.
3 – Is this okay to sit on the floor or should it be supported in another way?
4 – Should the short ends be framed out as well or okay to just screw in the OSB direct?
Thanks so much!!
Standard mattress sizes:
Twin - 39x75"
X-Long Twin - 39x80"
Full - 54x75"
Queen - 60x80"
King - 76x80"
California King - 72x84"
Height is up to you, Mine is 10" from the floor to the bottom of the frame, and 22" from the floor to the top of the frame.
I would love to build singles for my spare rooms ( former sons bedrooms) and this one for my king bed in my room.
The design is brilliant and clever. What an incredible bed and storage system !!
Bravo !!
I built the legs first, then cut the bedsides and attached the slat rail to each of the 4 sides. Then I attached the sides to the legs, so essentially the legs hold it all together, so I used a lot of screws and a ton of gluing area.
Once the bed was together I added a rail across the front and the first 4' of each side (on the inside, about 2" up from the bottom). Then I just attached a piece of 1/4" plywood to these rails.
I attached the slats and that was it.
There is also a 5th leg in the middle of the bed that is like a U shape. It is 4 pieces of OSB about 4" wide glued/screwed together, the 2 outside pieces go from the floor up to the slat rail, the 2 middle pieces go from the floor to the bottom of the bedsides, this design is real simple, and doesn't need to be physically attached to the bed, yet holds the 2 frames together.