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Picture of Simple Floating Shelf
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I always wanted to build my own floating shelves and had seen some
similar ideas but they were not quite as solid so took a little time to think
about how I could improve on the ideas I had seen and still keep it simple.
This is what i came up with.
 
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Step 1: Materials

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1) Piece of solid wood for the shelf
2) 6mm thread bar
3) 6mm nuts x2
4) 6mm expansion bolts x2
5) oil to finish wood off (optional)

Step 2: Tools

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1)spirit level
2) steel ruler
3) Pencil
4) selection of drill bits
5)Drill with hammer function
6) hacksaw
7) orbital sander
8) Pliers
9) Spanner

Step 3: Prep, Mark, Measure

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I started by giving the shelf a sand with the orbital sander just to clean up any very rough
spots and remove any splinters. (wanted to keep the shelf fairly rustic looking.)

Note: If you gonna radius the edges be sure to keep the back edges square
otherwise i will look funny where it meets the wall.

Next mark a line along the center of the length of the shelf then
take a rough measurement to get an idea of the pitch of the holes for fixings.
Try to leave at least 30mm from the edge of the shelf and also look out for things like knots,
nails, (if you are using a reclaimed piece of timber) or any other thing s that might get in the
way of your holes. (mine came to 490mm)

Note: I didn't mark exactly 30mm from each end and the measure the distance between those points.
I just held my ruler along the back of shelf eyeballed the distance i wanted from either end and rounded
to the closest even measurement.

Step 4: Mark out holes for the shelf on the wall

Picture of Mark out holes for the shelf on the wall
Hold the shelf up to the wall to get idea of exactly where you want it and make a reference mark.
Now from your reference mark a horizontal line an then measure and mark the pitch of your holes
according to the measurement calculated in previous step.
philgo2019 days ago

How thick was the wall to hold this? Did you drill into wood studs? Would expansion bolt work in studs?

savageeuge3 months ago

Yes it's for concrete walls.

You could put more weight on it if you put the threaded rod all of the way through the board, and counterbore the front of the bore like you did the back of it and put a washer and nut on the front and tighten it to the wall. Then brad nail an trim edge to the front of the board. But the edge of the back of the board would have to be true 90 degrees to the top of the shelf or it could tilt up or down when tightened.

If it tilts up you could call it a preload and put even more weight on it. Ha ha.

Is this for concrete walls? If not what is the hammer drill for?
manishrkp2 years ago
Good work, I suggest to use TMT bar which can be hammered in both parts using drill bit slightly smaller in diameter than bar.
Rawcliff2 years ago
leonroode... i salute your sharing of the wonderful floating shelf.....cheers!
gerbils2 years ago
Thanks - this is a great instructable. I used it to make a spice shelf for my kitchen, using recovered construction scaffolding wood!
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reptedjess3 years ago
So, How much weight do you thing those thread bars can take before they fail?
leonroode (author)  reptedjess3 years ago
@reptedjess the weight factor would realle depend on what thickness thread bar you use. The two i have made have both been with 6mm bar because they are intended for light stuff but if load factors were higher i would use a thicker thread bar. but also remember that the depth of the shelf will play a huge factor in the whole equation. ie the deaper the shelf the more leverage on the fixings
bgriffiths23 years ago
wow well done!!! :)

very cool
Tormentory3 years ago
Thank you. I will be making this today.
Love it and good execution
leonroode (author)  RedneckEngineer3 years ago
Thank you
happy limes3 years ago
Very pretty!
leonroode (author)  happy limes3 years ago
Thank you