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Free Bunk
Bed Building Plans
Raw Materials
(8) eight-foot 2x4’s
(6) eight-foot 2x6’s
(6) six-foot 2x4’s
(2) sheets of ¾” OSB or Plywood
(1 or 2) pounds of 3” deck screws
(16) 3.5 inch-long 3/8” diameter carriage bolts, nuts and washers
(60) 3/8” wood plugs
(1) pound #10 finish nails
(4) one-inch lag bolts of 3/8” diameter
(18) inches of 1.5-inch wide bar stock of 1/8” thickness

1. Construct 2 "boxes" from the eight 2-by-6 pieces described in
the material list below. The outer dimensions for the finished
boxes will be 41.5" by 78". I used 3-inch deck screws in shallow
3/8" holes with woodplugs as can be seen in Figures 1 & 2.

FIGURE 1

FIGURE 2
2. Attach bed supports to the inside "boxes" as shown in Figure 3
below and the side view diagram below (Figure 4). I drove 3" deck
screws into the shallow 3/8 holes that were then covered with wood
plugs. I also used several #10 finish nails at each location
and later set and filled the nail holes. Provided your 2x4's are
1.5" thickness, the 38.5" frame supports should fit inside the
(41.5-3)" boxes perfectly.

FIGURE 3

FIGURE 4
3. Mark the four corner posts as shown in Figure 4 with marks
that are 9" and 48" up. Attach corner posts to boxes with #10
finish nails for the sake of holding things together while drilling
holes for the carriage bolts
4. Check for square-ness. Drill 3/8 holes for the carriage bolts
through corner posts and boxes. Attach the 4 corner posts. A
CLOSE-UP photo is shown here in Fig 5.

FIGURE 5
5. In a manner very similar to Step 1, construct two "boxes" for
the guard rails of dimensions 78" by 41.5". Mark the 4 corner posts
as shown below at 55 3/4" up and 61.5" up. Again, use deck or sheet
rock screws with 3/8" wood plugs to hold these boxes together.
6. Attach guard rails inside bed frame as shown in Figure 4. I
used sheet rock screws with no plugs so I could easily disassemble
the bed. The screws are not visible.
7. Cut (2) mattress supports out of 3/4" 4x8 sheets to dimensions
38 1/4" by 74 3/4".
8. Build ladder as shown below in Figure 6. You will probably
want "hooks" to hold the ladder to the bed. I used 1.5" by 1/8"
steel bar stock. I cut the stock to (2) 8 1/8" lengths and bent them
as shown in Figures 1 and 6. The hooks were secured with the lag
bolts. Add padding of some sort to avoid marring the wood!

FIGURE 6
9. If you want, you can cut additional 2x4 pieces to "fill out"
the corner posts to make them look like 4x4's and perhaps make the
whole unit a bit sturdier. These pieces are about 3", 2 1/4", 33
1/2", & 8 /34". I did this and attached them with finish
nails. You can see these pieces in Figure 1.
10. Fill any set nail holes and sand entire unit.
11. Finish as desired. This can be done in the garage (as I
did), although you will need to disassemble and reassemble.
These plans are copyright
protected and are not to be resold or republished! You may use
these plans for your own personal use and share them with friends
but you may not resell or republish them. You may not copy any
part of this site and place it on your own website.
Copyright 2004 - Michael Sakowski
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