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A floating shelf with secret storage space

Completed floating shelf with a hidden compartment.

  • Difficulty
    hard
  • Cost
    45-100 €
  • Duration
    1-3 h

A project for DIYers who love a challenge. Do you like clean, minimalist walls? Or you simply don't have rooms for large brackets? A floating shelf is a great a solution. This shelf even has built-in, hidden storage for things you want to keep out of sight and mind.

Make sure you carry out all the steps carefully and take precautions to keep yourself safe. You can find the proper protective clothing for any situation in our overview.

You need
  • pencil
  • safety glasses
  • hammer
  • punch
  • paint brush
  • ear protectors
  • triangle
  • 4 x pine beams 20 x 27 x 44 cm
  • 2 x pine beams 76 x 27 x 44 cm
  • 9 mm plywood 76 x 26.5 cm
  • 2 x plywood 80 x 29 cm x 18 mm
  • 2 x pine slats 80 cm x 18 mm x 55 mm
  • 2 x pine slats 27.3 cm
  • 16 x chipboard screw torx partial thread 4 x 60
  • Nails 2 x 4 mm
  • 4 x brace corner 50 mm
  • Wood glue D2
  • Primer
  • Topcoat
  • Filler
  • Wood drill 4 mm
L: Length, W: Width, H: Height, D: Diameter
Step 1 10

View the technical drawing and collect all your materials

Schematic plan for a floating shelf.

Making this shelf certainly isn't the simplest DIY, so it can be handy to have the work drawing printed out and on hand while you're working.

The project is made up of two separate parts. Firstly, making the skeleton or frame of the shelf, and then a wooden ‘glove’ or box that slides over it.

Tips
Our tip:

If you have a saw bench, then you can also use a hand-held circular saw.

Step 2 10

Making the four interior bars to size

Measuring where the wood needs to be cut.
Marking the cutting point on the wood.
Cutting the wood with PST-18-LI.
Measuring and marking the next wooden beam.

You need: Jigsaws, pocket rule, pencil, triangle, 4 x pine beams 20 x 27 x 44 cm

We cut the four beams to our desired size. These form the frame of the shelf. The beams should be 20 cm long. Measure carefully and then cut them to size using a NanoBlade or a jigsaw.

Step 3 10

Cutting the plywood to size

Measuring and marking the width of the bottom part of the shelf.
Carefully cutting the shelf to width.
Carefully cutting the height of the shelf.

You need: Saws, pocket rule, pencil, safety glasses, ear protectors, 2 x plywood 80 x 29 cm x 18 mm, 9 mm plywood 76 x 26.5 cm, 2 x pine slats 80 cm x 18 mm x 55 mm, 2 x pine slats 27.3 cm

The plywood plank will become the bottom of the hidden storage compartment. We're cutting the plywood to size, so you could skip this if you don't want a hidden storage compartment.

Carefully measure the length and width of the plywood and always wear safety goggles while drilling. These two pieces of plywood will be the upper and lower surface of the shelf. Now measure and saw the sides in advance.

Varning
Important

Don't wear protective gloves for this. If the sawblade gets stuck in the gloves, this could hurt your hand more.

Step 4 10

Making the slats for the front and back

Measuring and marking the wooden slat that will be used for the hidden compartment in the shelf.
Drilling the holes for the screws to fix two rods.
Screw the rods together.

You need: Multi-sander, pocket rule, 16 x chipboard screw torx partial thread 4 x 60, 2 x pine beams 76 x 27 x 44 cm, Wood drill 4 mm

Once the two beams are the right size, they can be fixed to the four shorter beams to create a rectangular structure. Pre-drill the screw holes. We're still working on the frame at this stage.

Step 5 10

Fixing the beams together using brace corners

Screwing in the metal brace corners.
Fixing the hidden compartment to the wall.
The hidden shelf compartment.

You need: Multi-sander, 4 x brace corner 50 mm, 16 x chipboard screw torx partial thread 4 x 60

Use seat angles (or brace corners) to connect the pre-cut beams together.

Step 6 10

Fixing the bottom of the storage compartment

Screwing the base plate onto the frame.
Bottom of the shelf.

You need: Multi-sander, 16 x chipboard screw torx partial thread 4 x 60

Now that the frame is finished, we can fix the bottom.

Step 7 10

Gluing the unit together

Applying wood glue to the sides of the shelf.

You need: Wood glue D2

Don't use too much wood glue between the parts, a small blob is plenty for a few centimetres. Keep checking that the unit fits well around the frame.

Step 8 10

Nailing down the unit

Punch holes for nails.
Nailing the bottom of the shelf to the sides of the shelf.

You need: punch, hammer, Nails 2 x 4 mm, Filler

Creating holes with a punch helps neatly conceal the nails in the wood. If the wood is a bit uneven or the holes for the nails end up a little big, you can smooth all of this out with filler.

Step 9 10

Nailing down the unit

Sanding the lower half of the shelf with the Bosch electric tool.
Applying a protective layer to the underside of the shelf.

You need: Sanders, paintbrush, Topcoat, Primer

If it fits well, sand down the unit and apply a layer of primer. Now, very lightly sand the whole thing again and apply your topcoat.

Step 10 10

Fixing the frame to the wall

Adding the shelf to the hidden compartment.

All you need to do now is fix the frame to the wall. The type of wall you are fixing your shelf to will determine the type of screws and dowels you need. Now, slide the 'cover' or shelf-exterior over the secret compartment and your floating shelf is complete.