Zinsser Bulls Eye 123 Plus

Zinsser Bulls Eye 1-2-3 Plus is a high-performance water-based primer that delivers the strength of a solvent-based coating with the convenience of a fast-drying, low-odour formula. Engineered for professional and commercial use, it provides exceptional adhesion, stain blocking and durability on both interior and exterior surfaces.

Designed to bond to glossy, difficult surfaces without sanding, this primer is ideal for wood, metal, plaster, PVC, ceramic tiles and more. Its high-hiding formula effectively blocks water stains, tannin bleed and smoke damage, ensuring a flawless base for topcoats.

Bulls Eye 1-2-3 Plus is also mould and mildew resistant, making it perfect for bathrooms, kitchens and high-humidity areas. The built-in biocide helps prevent fungal degradation, extending the life of your paintwork.

For an ultimate stain-blocking solution, try Zinsser B-I-N Aqua for a shellac-based alternative.

Key Benefits

• Interior & exterior use – Versatile application across multiple surfaces
• Exceptional adhesion – Bonds to glossy surfaces without sanding
• Powerful stain blocking – Seals water stains, tannin bleed and wood knots
• Mould & mildew resistant – Ideal for humid environments
• Fast-drying, low-odour formula – Touch dry in 30 minutes
• Compatible with all topcoats – Works with both water and solvent-based paints
• Easy clean-up – Washes away with soap and water

Surface Preparation

• Ensure surfaces are clean, dry and free from dust, grease, mould, mildew and contaminants.

• Remove all loose or flaking material.

• Glossy surfaces should be lightly abraded to improve adhesion.

• Remove stains at the source where possible, e.g. fix water ingress before sealing water stains.

• Fill cracks and defects with a suitable filler and sand smooth.

Technical Data

• Type: Water-based primer, sealer and stain killer

• Finish: Matt white or grey

• Sizes: 1L, 2.5L, 5L

• Coverage: Approx. 10m² per litre

• Drying Time: Touch dry in 30 minutes

• Recoat Time: 1 hour

• VOC Level: Ultra low

• Alkali Resistance: Resists up to 12.5 pH

• Adhesion: Excellent grip to difficult substrates including glossy paints, ceramic tiles, UPVC, galvanised metal, aluminium, GRP, varnish, plastic and wood

• Fungal Resistance: Contains biocide to protect against fungal degradation of the film

• Odour: Low odour, water-based formulation

• Environment: Interior & exterior

Directions for Use

1. Stir thoroughly before and during use.

2. Apply evenly with a synthetic brush, roller, pad or spray equipment (airless compatible).

3. Apply one to two coats depending on substrate porosity and stain severity.

4. Allow at least 1 hour before recoating.

5. Finish with any water-based or solvent-based decorative topcoat.

6. Clean all tools immediately in warm, soapy water.

7. Store upright in a dry, frost-free environment between 5°C and 30°C

Data Sheets

Bulls Eye 123 Plus - TDS 

Bulls Eye 123 Plus - MSDS