Blog / How to guides

How to fix a broken shiplap panel

13th February 2017

Even the best quality sheds can suffer from damage and neglect. But the beauty of a shiplap timber building is how easy it is to repair.

Here's our step-by-step guide to replacing damaged shiplap boards. All you need to get started are replacement boards, a hammer, screwdriver, nails, and a wooden block for tapping out old boards.

You’ll need:

  • Replacement boards (one for each damaged board, and an extra one)
  • Screwdriver
  • Hammer
  • Nails
  • Block of wood to tap boards in and out
  1. Remove corner trims by undoing the screws that hold them into place.
  2. Tap the nails through the broken board into the frame behind. You can use a screwdriver to push these through with a hammer.
  3. tap nails through boards to free them
    Remove the nails by pushing them through the timber.


  4. Slide the board out. this can be difficult in damp weather due to  the wood swelling. Use a block to tap out the board.
  5. use a block to tap out the board
    Using a hammer directly on the board will damage it and make it hard to work with.


  6. If the wood has swollen, remove a second board to create more space for new, unexpanded boards.
  7. Slot the first replacement board into place, and nail to the framing to secure. Make sure the end of the board is flush with the panel before nailing into place.
  8. make sure the board is flush before nailing it back into place
    Got the board in the right place? Nail away!


  9. The second board should now neatly slide into place, but it may be a snug fit. Use a block to tap it into place, and nail to secure, again, making sure that it's flush.
  10. Coat the boards with protective treatment to help prevent rot.
  11. coat the boards with timber treatment to prevent them from rotting
    Always use a good-quality wood preservative.


  12. Re-affix the corner trims, and your job is complete!

Check out this quick video to see the job being done by a Waltons professional:

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