Newton's Paints Ltd.
Newton's Premium Stain Blocker Primer/Undercoat β NZ Made
Newton's Premium Stain Blocker Primer/Undercoat β NZ Made
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Achieve a flawless, professional finish every time with Newton's Premium Stain Blocker Primer/Undercoat. Made right here in New Zealand, this high-adhesion, water-based primer seals stubborn stains, prevents bleed-through, and creates the perfect base for your top coat β whether you're refreshing walls, trim, or upcycling furniture.
Why Choose Newton's Primer?
- β Outstanding adhesion to aged enamel, varnish, glass, most plastics, walls and timber
- β Helps block oil-based stains β prevents discolouration and bleed-through in most top coats
- β Moss and mould resistant formula
- β No odour β low VOC and earth friendly
- β Fast re-coat times for efficient project completion
- β Excellent gloss retention on top coats
- β Water clean-up β no harsh solvents needed
- β Recommended as an undercoat for Newton's Water Based Enamel(or any water based paints) and Chalk Paint when needed.
Ideal For
Walls, trim, furniture, and a wide variety of surfaces. Perfect for use before Newton's Chalk Paint, Water Based Enamel, or any quality top coat.
TIP: Many of our customers use this as a robust undercoat when painting old furniture with our Chalk Paint β it helps prevent stain bleed-through for a cleaner, longer-lasting result.
Coverage & Application
- Coverage: approx. 7β10mΒ² per litre
- Application: brush, roller, or spray
- Clean-up: water
What Our Customers Say
"Hi Ali β thank you for your phone call on Thursday. I tried the primer/sealer/undercoat today and am thrilled. It is the best water-based product of this type I have ever used and I have been painting furniture and many other things for 45 years. I can't wait for my next pension day to buy your epoxy resin. Awesome trader β trade with confidence β recommend to all!"
Proudly made in NZ. Newton's Paints Ltd β NZ owned and operated. We source and support NZ products and suppliers wherever possible, and are committed to sustainable, earth-friendly formulations.

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