Jo Sonja Decor Crackle Medium 250ml


Jo Sonja's Décor Crackle is a transparent medium to be used BETWEEN layers of Jo Sonja's Artists' Colours to provide a weathered paint or aged appearance.
The top colour will break apart to reveal the base colour. Metallic and Iridescent colours should not be used over Décor Crackle as they will not work effectively. They may however be used as base coat colours. Pre-test varnish over Decor Crackle as some water-based varnishes can reactivate this medium. Solvent varnishes may be used.


  • Seal the surface with All Purpose Sealer or mix Sealer with your base colour. You may use tube or Background Colours.
  • When dry, apply a medium-to-thick even coat of Décor Crackle Medium.
  • Allow the Décor Crackle to completely dry; a hair dryer may be used.
  • Apply a contrasting coat of Jo Sonja's Artists' Colours. This top colour will separate to expose the base colour.

    Wide cracks will result from a heavier application of paint, finer from a thinner application. (The crackle effect will appear slowly as the topcoat dries).

    Jo Sonja's Décor Crackle is formulated to work with Jo Sonja's Artists' Colours. If using an alternate brand, particularly as the topcoat, we suggest pre-testing to ensure compatibility.
    Jo Sonja's tube colours generally give a better result than Jo Sonja's Background Colours. House paints in most cases are not compatible.
    Once crackled and dry, if not sealed or varnished, water can reactivate Décor Crackle and cause it to blister and peel. If you wish to crackle a background and paint a design directly over it, we recommend a coat of Clear Glaze Medium to lightly seal before proceeding. Be light and quick when applying your medium or varnish and do not over-work.

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    • Manufactured by: Chroma

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