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Enjoy your work!
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Before you fill the cold frame with potting compost, it’s a good idea to put a layer of expanded polystyrene along the base and then to cover this with a sheet of plastic foil. Fix the foil in place with a tacker. Before you fill the cold frame with potting compost, you can put a layer of moisture-absorbent granules. These will make the underside of the cold frame better insulated, and you won’t need to use so much potting compost.

What tools do you need?

  • Circular saw
  • Handsaw
  • Electric drill
  • Jigsaw
  • Glass cutter
  • Tacker
TOOL TIPS