How to Fix Resin Colour Streaks on Walls

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What should I do if the resin colour streaks?

Resin colour streaking is a common issue, especially on vertical wall surfaces. Achieving an even colour is possible with simple mixing and application adjustments, ensuring a professional, flawless finish for any decorative wall project.

Properly Mix Pigment and Resin

Thorough pigment mixing is crucial to avoid streaks in your resin. Begin by adding the colourant to your resin and stir with a flat mixing tool, scraping the sides and base of your container. Transparent and intense colourants like those in the Colourfun Set blend efficiently and evenly, especially when gradually incorporated. Take your time: at least three to five minutes of mixing is recommended until the resin appears completely uniform with no visible swirls or variations in shade.

Test Before Application

If you plan to use multiple shades or create custom blends, always test your coloured resin on a small, inconspicuous area first. This ensures your chosen pigments are fully integrated and compatible and helps you spot potential streaking before full application. Adjust pigment ratios as needed and remix to perfection before proceeding.

Achieving a Smooth Wall Finish

Once confident in your colour mix, apply the resin evenly with a spatula or similar tool specifically suited for vertical surfaces. Products like the Vertical Glass Decorative Wall Coating are formulated for wall application, minimising runs and allowing controlled layering. Work in thin sections to further reduce any chance of uneven pigmentation or streaks.

When does this matter?

When creating custom wall designs with bold or opaque colour effects
For glossy, uniform finishes on vertical or sloping surfaces
If you’re using several pigments or metallics for artistic patterns

Related guides

Effective colour mixing and the right application approach make resin streaks avoidable, helping you achieve the beautiful, even wall finish you want. For more creative inspiration and tinting options, see our main guide on resin colours available for walls.