Zinsser Bulls Eye 1-2-3 Adhesion Primer & Sealer is a high-performance, water-based primer designed to provide excellent adhesion, stain blocking, surface sealing and rust inhibition on a wide range of interior and exterior surfaces.

This versatile universal primer and sealer creates a reliable bond coat on difficult surfaces, including glossy and hard-to-stick substrates, without the need for sanding when surfaces are suitably prepared.

Ideal for professional decorators, painters, builders and DIY enthusiasts, Zinsser Bulls Eye 1-2-3 combines low odour, fast drying and outstanding adhesion in one convenient product.

The advanced water-based formula dries to a smooth, tight and water-resistant film, creating an excellent foundation for compatible finishing paints.

Bulls Eye 1-2-3 is also rust inhibitive, making it suitable for clean ferrous metals such as iron and steel. It helps prevent flash rusting and provides ongoing rust resistance on appropriately prepared metal surfaces.

Its stain-blocking properties help seal common problem stains, including graffiti, grease spots, tar, asphalt and tannin bleed, reducing the risk of discolouration affecting the finished paintwork.

The dried primer film also benefits from a biocide that protects the coating against fungal degradation, making it particularly useful for high-humidity areas such as bathrooms and laundry rooms.

With a drying time of approximately 30 minutes and recoating possible after approximately 1 hour, Zinsser Bulls Eye 1-2-3 helps speed up decorating projects while delivering a dependable foundation for a professional finish.

Key Benefits

• Genuine Zinsser Bulls Eye 1-2-3

• Universal water-based primer and sealer

• Excellent adhesion to difficult surfaces

• Suitable for interior and exterior use

• Primes glossy surfaces without sanding

• Ideal for hard-to-stick substrates

• Fast drying in approximately 30 minutes

• Recoatable after approximately 1 hour

• Low-odour formulation

• Creates a smooth, water-resistant film

• Helps block common stains

• Seals graffiti and grease spots

• Helps block tar and asphalt stains

• Helps prevent tannin bleed

• Rust-inhibitive formula

• Helps prevent flash rusting

• Suitable for clean iron and steel

• Ideal for metal railings and doors

• Suitable for galvanised gutters

• Contains a dry-film protective biocide

• Suitable for high-humidity areas

• Available in white and grey

• White version can be tinted towards pastel and mid-tone colours

• Grey version is ideal beneath darker topcoats

• Suitable for professional and DIY decorating

Excellent Adhesion Without Sanding

One of the main advantages of Zinsser Bulls Eye 1-2-3 is its ability to bond to many glossy and difficult-to-paint surfaces without sanding.

Traditional primers often require extensive surface abrasion before application. Bulls Eye 1-2-3 simplifies preparation by providing an effective adhesion-promoting bond coat on suitable clean surfaces.

This makes it particularly useful for:

• Glossy painted surfaces

• Previously painted doors

• Glossy trim

• Metal panels

• Renovation projects

• Difficult-to-paint surfaces

• General interior and exterior redecorating

Surfaces must still be clean, sound and appropriately prepared. Test adhesion where substrate compatibility is uncertain.

Water-Based Primer & Sealer

Zinsser Bulls Eye 1-2-3 features a water-based, low-odour formula, making it a practical choice for indoor decorating and renovation work.

It combines the convenience of a water-based product with strong adhesion and sealing performance.

The primer forms a smooth, tight coating that provides a dependable base for compatible finishing paints.

Interior & Exterior Primer

Bulls Eye 1-2-3 is suitable for both indoor and outdoor use, offering versatility across a broad range of decorating and maintenance applications.

Typical projects include:

• Interior walls and trim

• Doors and frames

• Exterior metalwork

• Iron railings

• Steel doors

• Metal panels

• Ductwork

• Galvanised gutters

• General renovation projects

Always check the suitability of the substrate and exposure conditions before application.

Primer for Glossy Surfaces

Glossy surfaces can be difficult to paint because conventional coatings may struggle to adhere.

Zinsser Bulls Eye 1-2-3 is designed to provide an effective bonding layer on suitable glossy substrates, helping subsequent paint coatings adhere more reliably.

Its no-sanding adhesion performance can reduce preparation time on appropriate surfaces.

Stain-Blocking Primer

Bulls Eye 1-2-3 provides stain-blocking performance against several common decorating problems.

It helps seal:

• Graffiti

• Grease spots

• Tar

• Asphalt

• Tannin bleed

• Other compatible surface stains

By sealing problem areas before applying the finishing paint, the primer helps reduce the risk of stains bleeding through the completed decoration.

For severe water stains, heavy smoke damage, fire damage or particularly persistent oil-based contamination, a specialist Zinsser stain-blocking primer may be more appropriate.

Rust-Inhibitive Metal Primer

Zinsser Bulls Eye 1-2-3 can be applied to clean ferrous metals, including iron and steel.

Its rust-inhibitive properties help protect suitable metal surfaces against flash rusting and ongoing corrosion.

Potential applications include:

• Iron railings

• Steel doors

• Metal panels

• Metal ductwork

• Suitable steel fixtures

• General metal maintenance

Existing rust, loose coatings and contamination must be appropriately treated before priming.

Primer for Galvanised Gutters

Bulls Eye 1-2-3 is suitable for appropriately prepared galvanised gutters and compatible galvanised metal surfaces.

It provides a bonding coat that helps compatible finishing paints adhere more effectively.

This makes it useful for exterior maintenance and repainting projects.

Ideal for Bathrooms & Laundry Rooms

High-humidity environments can place additional demands on paint coatings.

Zinsser Bulls Eye 1-2-3 contains a biocide designed to protect the dried primer film against fungal degradation.

This makes it particularly useful for suitable decorating projects in:

• Bathrooms

• Laundry rooms

• Utility rooms

• Other high-humidity interiors

The biocide protects the coating itself and should not be regarded as a treatment for existing mould or the underlying cause of dampness.

Fast Drying – Approximately 30 Minutes

Zinsser Bulls Eye 1-2-3 dries in approximately 30 minutes under suitable conditions.

This helps reduce waiting time between stages of a decorating project.

Actual drying times can vary depending on temperature, humidity, ventilation, substrate and application thickness.

Recoatable in Approximately 1 Hour

The primer can generally be recoated after approximately 1 hour, allowing decorating work to progress efficiently.

This is particularly useful for professional painters and decorators working to tight schedules.

White & Grey Primer Options

Zinsser Bulls Eye 1-2-3 is available in colour options suited to different finishing requirements.

White Primer

The white version is particularly useful beneath light-coloured finishes.

It can also be tinted towards many pastel and mid-tone colours, helping create a more suitable foundation for the chosen topcoat.

Grey Primer

The grey version is particularly useful beneath darker finishing paints, where a grey base can improve hiding power and coverage.

Choosing the appropriate primer colour can help achieve a more consistent final appearance.

Zinsser Bulls Eye 1-2-3 vs Standard Primer

Standard primers may be designed primarily for porous surfaces or general preparation.

Zinsser Bulls Eye 1-2-3 combines several important functions:

• Adhesion promotion

• Surface sealing

• Stain blocking

• Rust inhibition

• Interior and exterior versatility

• Low-odour application

• Fast drying

• Water-resistant dried film

This makes it a versatile option for decorating projects involving multiple surface types.

Zinsser Bulls Eye 1-2-3 vs Zinsser BIN

Both products are widely used for preparation and problem-solving before painting, but they have different strengths.

Zinsser Bulls Eye 1-2-3 is particularly suited to:

• General adhesion priming

• Glossy surfaces

• Interior and exterior projects

• Water-based, low-odour priming

• Clean metal surfaces

• Common stain blocking

Zinsser BIN is particularly suited to:

• Difficult stain-blocking applications

• Smoke and nicotine stains

• Severe odour sealing

• Persistent stain bleed

• Specialist spot priming

The best choice depends on the substrate, stain type and intended finishing system.

How to Use

1. Ensure the surface is clean, dry, sound and free from dust, dirt, grease and loose or flaking material.

2. Remove unstable paint coatings and treat existing rust or contamination appropriately.

3. Check that the substrate is compatible with Zinsser Bulls Eye 1-2-3.

4. Stir the primer thoroughly before use.

5. Apply evenly using a suitable brush, roller or approved spraying method.

6. On glossy surfaces, apply as an adhesion-promoting bond coat.

7. On metal surfaces, ensure all preparation requirements have been followed.

8. Allow approximately 30 minutes for drying under suitable conditions.

9. Allow approximately 1 hour before recoating, or longer where conditions require.

10. Apply the chosen compatible finishing paint according to its instructions.

Always follow the manufacturer's technical data sheet and safety directions.

Ideal For

• Interior decorating

• Exterior decorating

• Glossy surfaces

• Hard-to-stick substrates

• Doors and frames

• Metal railings

• Steel doors

• Iron surfaces

• Metal panels

• Ductwork

• Galvanised gutters

• Bathrooms

• Laundry rooms

• Utility rooms

• Stain blocking

• Tannin bleed

• Grease stains

• Graffiti

• General renovation

• Property maintenance

• Professional painting

• DIY decorating

Product Information

Brand: Zinsser
Product: Bulls Eye 1-2-3 Adhesion Primer & Sealer
Type: Universal adhesion primer and sealer
Base: Water-based
Use: Interior and exterior
Finish Options: White and grey
Tintable: White version, towards suitable pastel and mid-tone colours
Drying Time: Approximately 30 minutes
Recoating Time: Approximately 1 hour
Low Odour: Yes
Suitable for Glossy Surfaces: Yes, when properly prepared
No Sanding Required: On suitable sound substrates
Stain Blocking: Yes, for specified stains
Rust Inhibitive: Yes
Suitable for Ferrous Metals: Yes
Suitable for Galvanised Gutters: Yes, when appropriately prepared
Water-Resistant Dried Film: Yes
Dry-Film Biocide: Yes
Suitable for High-Humidity Areas: Yes
Primary Use: Adhesion priming, surface sealing, common stain blocking and rust inhibition before applying compatible decorative topcoats.

WEEE Recycling Producer Registration Number:12889

How do I return my old product to be recycled?

You can return your old product to MyDIY. Waste Electrical and Electronic Equipment (WEEE) is taken back free of charge on a one-for-one, like-for-like basis. Waste batteries including rechargeable batteries are taken back free of charge. You are not obliged to make any purchase when returning old batteries. Each local authority must also accept household WEEE and small batteries free of charge at its recycling facilities. All WEEE and waste batteries must be recycled and should not be placed in any of your household wheelie bins. Make sure you always recycle all your old electrical goods and batteries.

What products can I recycle for free?

You can return anything that is electricaly powered or battery powered. Even your old bicycle lamps can be recycled!.

Do you take back used batteries?

Yes we do. The batteries that we accept are AA, AAA, C or D, powertool batterys and also the flat batteries that are found in watches and toys. Unfortunately we do not accept back any Industrial or car batteries.

Do I need to have made a purchase at MyDIY.ie?

No you don't. You can recycle any of the above items at our store in Inchicore Dublin 8, even if you have not made a purchase with us.

Will you collect my old product?

Yes, but we must be notafied within 14 days of purchase date. You can still arrange to have your old appliance recycled free of charge. Simply bring it back to our Inchicore store and we will ensure that it is disposed of in an environmentally friendly manner.

How much will it cost?

There is no charge to return products to any of our warehouses.

Why should I recycle with MyDIY?

We will ensure that your old product is disposed of correctly to reduce the potentially harmful effects caused on the environment and to conserve natural resources. Further information can be found on weeeireland.ie.

EMC (Environmental Management Cost) Included in the purchase price. 

Gas discharge lamps, LFLs and CFLs €0.15

LED lamps and luminaires €0.05

Large appliances €5.00

Information

Fast & Reliable Shipping with DPD

We ship all orders via DPD, one of Ireland’s most trusted couriers. With DPD’s one-hour delivery window, you won’t have to wait around all day for your MyDIY.ie order!

Delivery Times

Each product on our website is marked with an estimated delivery time. If you order multiple items, your order will arrive based on the item with the longest delivery time. For example, if you buy two next-day items and one 3-day item, the entire order will arrive in 3 days.

While most products arrive in 1-2 days, we offer over 44,000 items, so please allow 4-5 working days for some deliveries. Need it faster? Call us at 01-446692, and we'll do our best to help.

Delivery Charges

• FREE delivery for orders over €150 within Ireland.

• Orders under €150: €8.99 delivery fee.

• International delivery: Charges based on weight—contact us for a quote.

When Will I Receive My Order?

• Most orders ship on a 24-hour courier service (2 working days).

• Larger orders may take 4-5 days, and pallet deliveries require scheduling.

• Orders placed before 2 PM usually ship within 24 hours.

• Orders after 1:30 PM Friday or on weekends ship the following week.

• Busy holiday periods may cause slight delays beyond our control.

Do I Need to Be Home for Delivery?

Yes, someone must sign for deliveries due to item value. If you're not home, DPD will leave a card with re-delivery or collection instructions. After two failed attempts, your order may be returned to us, and a re-delivery fee may apply.

Damaged or Incomplete Orders

We carefully pack all orders, but if something arrives damaged or incomplete, contact us within 24 hours. Report shortages within 3 days of delivery.

International Shipping

We ship to Europe and worldwide, with charges based on weight. Liquid products cannot be shipped internationally due to regulations. Contact us for a quote—we're happy to help!

Customer Service & Returns