DIY compost bin

From NZ Gardener magazine

Speed up the composting process with this easy-to-build, well-aerated compost bin that has a simple sliding front panel, says Jane Wrigglesworth.

You will need: two 1800mm x 900mm trellis panels with 50mm square mesh, 13 metres of 45mm x 35mm H3.2 fence capping, four 1800mm x 100mm x 75mm fence posts, one 1200mm x 150mm x 25mm fence paling, 2 litres Resene Waterborne Woodsman stain in Resene Bushtrack, 2 galvanised handles, 2 hook and eye latches, 6g x 38mm countersunk screws, 8g x 50mm countersunk screws, power saw, power drill and clamps.

Cutting measurements:

  • From the trellis panels cut: two 780mm x 685mm pieces and two 780mm x 780mm pieces.
  • From the fence capping cut: four 720mm lengths, twelve 820mm lengths. Cut the ends of each fence capping length at a 45° angle.
  • From the fence paling cut: 4 x 900mm x 28mm lengths.

Cost: $236.52 plus paint.

Step 1 how to make a compost bin from trellisingStep 1
Fit four 720mm and 4 x 820mm capping lengths to the two smaller panels. Cut capping further, if necessary, to fit snugly. Screw together, using 38mm screws.
Step 2 how to make a compost bin from trellisingStep 2
Make up the larger panels, using the remaining fence capping lengths. Cut capping, if necessary, then screw in place.
Step 3 how to make a compost bin from trellisingStep 3
To make the guides, position 2 x 900mm x 28mm fence paling lengths on the edges of one fence post (on 100mm side) and, using 50mm screws, screw in place. Repeat on the second fence post.
Step 4 how to make a compost bin from trellisingStep 4
Attach the two smaller panels to posts without the guides (on 75mm side). Screw in between slats with 50mm screws.
Step 5 how to make a compost bin from trellisingStep 5
Attach one of the large panels to the two posts that have the two smaller panels attached, to form a U-shape. Use three 50mm screws per side.
Step 6 how to make a compost bin from trellisingStep 6
Attach the two posts with the guides at the front of the compost box. Another set of hands or a large clamp is helpful here.
Step 7 how to make a compost bin from trellisingStep 7
Cut the remaining piece of fence paling to fit across the length of the front panel beneath the capping. Screw. Stain bin. Attach handles when dry.
Step 8 how to make a compost bin from trellisingStep 8
Slide front panel in place. Attach the hook and eye latches at the top of the front panel on the inside, at the corners, to keep the sides from pushing out.

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