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Once epoxy putty has cured, you may wish to adjust its appearance further by painting or sealing the surface. Whether working with plain putty or a pre-coloured mix, the right approach ensures strong adhesion and your desired finish.
Preparing Cured Epoxy Putty for Painting
Before painting, ensure your putty is fully cured according to the manufacturer’s instructions, as premature painting may affect adhesion and the final result. Gently sand the surface with fine-grit sandpaper to remove any gloss, helping the paint or sealant bond efficiently. Wipe away dust and residue to leave a clean, dry surface.
Choosing Paints and Colouring Methods
Most acrylic paints and primers are suitable for use on cured epoxy putty, allowing for colour customisation or creative finishes. If you’d prefer to adjust colour before the putty cures, consider mixing in a specialised pigment like the Colourfun liquid epoxy resin colourant. For further customisation, use translucent or opaque dyes to suit your project’s requirements.
Practical Tips for a Durable Finish
- Sand lightly to avoid unwanted scratches.
- Apply primer if painting with lighter or tricky colours to achieve even coverage.
- Finish with a suitable clear sealer if you want to protect the painted surface from wear.
When This Matters
Painting over cured epoxy putty is ideal when you need precise colours that are hard to achieve when mixing pigments, or if you’re looking to refresh or repair older putty applications.
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Whether you’re adjusting colour after curing or sealing your project, painting over epoxy putty helps you achieve the perfect finish. Explore more techniques and colourants on our epoxy putty colouring guide.