How to Block Merino Wool

Written by lizzie brooks
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How to Block Merino Wool
Australia produces 43% of the world's Merino wool. (sheep on fresh green meadow image by Christopher Meder from

Merino wool is a fine, soft wool that comes from merino sheep. Like all wools, merino will lie flatter and appear smoother and more even after blocking. Having a fine-gauge fibre, however, merino needs to be treated gently when blocking in order to prevent damage to the fibres.

Skill level:

Things you need

  • Merino garment or garment pieces
  • Blocking surface
  • Rust-proof pins
  • Spritz bottle
  • Cool water
  • Measuring tape

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  1. 1

    Set up your blocking surface, such as a clean bed or a foam board. Lay your merino garment on the blocking surface. If you are blocking pieces of merino fabric before sewing together your garment, sew in all ends before blocking.

  2. 2

    Pin all pieces in place, ensuring that all edges are straight. Use your measuring tape to make sure that you are pinning your garment or pieces according to the desired dimensions. Do not tug or stretch your fabric more than necessary.

  3. 3

    Fill your spritz bottle with cool, clean water. Spritz your pieces until they are damp, but not soaking.

  4. 4

    Leave all pieces in place until they are completely dry before removing your pins.

  5. 5

    If you are unhappy with the shape of your garment or pieces, you may re-block them.

Tips and warnings

  • If your garment needs a stronger blocking, soak your garment in cool water for a few minutes. Then roll it in a towel and press out the excess water, before lying it out to pin. This method is less gentle on the fabric, however.
  • Handle wool gently when it is wet as the fibres become weaker when damp.

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