Doors were the logical choice as the basis for the head and footboards because they were solid and already had raised panels, which was the look I was going for.
Convertible Beds From Old Doors
2 Materials
$500
5 Days
Medium
We like to offer flexible sleeping arrangements to our guests so we use beds that convert from two XL twins to one king. The starting point of this project was two old doors from a local architectural salvage shop that I purchased for $80.
First I spent at least two days painstakingly removing the lead paint from the surface. Then I cut the doors into the head and footboards using a circular saw and straight edge clamp.
The doors had large cavities where the lock sets had been. So to fill them in I just cut scrap wood to fit inside adding stability.
The doors were narrower than the XL twin mattresses. So to make up the difference I added wood using my Kreg pocket screwing system.
One important detail was that the edges of the head and foot boards needed to be flush so the beds could be pushed together with no gapping. This informed my design. I used some crown moulding and mid moulding blocks for the details along with poplar boards. This gave the bed real dimension, covered up seams where I had added width while still leaving the sides flush.
Finally, I got to the painting. It did seem for a while that this project would never end.
The design of the rail system was a result of wanting to be sure that the mattresses would not want to slide away from each other when in the king configuration. This was solved very simply. The mattress sits on 1"x 4" slats which rest on 2" x 4" nailers. These are attached to the decorative boards you see on the bed. To solve the sliding mattress problem, I made the decorative pieces higher on the outside of the bed than the inside. The lower decorative boards on the inside sit flush with the bed platform allowing the mattresses to be pushed tightly together. The outside boards sit about an inch above the platform creating a lip that holds the mattresses in place. (No, this diagram is not to scale but you get the gist.)
I used angle braces to attach the rails to the head and footboards. Latches from the Shipshewana Flea Market in Indiana added a decorative touch while holding the beds together. To make it easier to move the beds, I also added some ball-bearing casters, at the hubs suggestion.
After layering the twin mattress pads, "bed bridge mattress connector", king mattress pad, crisp sheets, comfy duvet, hotel-style top sheet, and feather pillows, this bed went from a DIY project to absolute luxury. Totally worth it!
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![Margaret Morris]()
Margaret Morrison Nov 7, 2020All I can say is “WOW “, this has to be the nicest piece I’ve ever seen made! I love it!
![Chics With Tools by Kerith House]()
Chics With Tools by Kerith Houseon Nov 11, 2020That is an amazing compliment! Thank you!
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![Heather]()
Heatheron Jan 3, 2021Wow! I want to see the rest of your house if this is just for guests! Beautiful!
![Chics With Tools by Kerith House]()
Chics With Tools by Kerith Houseon Jan 12, 2021You can see it! In fact you can stay there. Check out our website and go to the “Stay” tab.
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Is it possible to see the finished inside platform of the twin bed. I am very visual. I have made headboards from repurposed shutters but I live the idea of twin use to king use.
That looks amazing!!! Fabulous job!