Can this be used to paint a upvc garage door black?

Good MorningI have gone through the product information, it suggests it will stick to many substrates tiles, glass, and many metallic substrates with no mention specifically to PVCU, however I have spoken with the manufacturer who tell me it is there go to product for PVCU. I would recommend a very light abrasion with a 1200 - 1400 wet and dry followed with a thorough wash with warm water and light detergent. We would also urge you wait for the weather to pick up slightly with an ambient temperature above 10 degrees & relative humidity below 85%..Hope you find the information useful.Scott Glenwood Paints

Would this cover the knot stains in already painted wood or do I need one of the other products?

Dear Ian, I used this paint for previously painted furniture ( it was shiny, yellowish color) The paint covered the color after 2 coats. And then I applied another white paint (ordinary wood paint) The result was good. Unfortunately I haven't tired it on knot stains. Maybe this article would help you: http://www.zinsseruk.com/how-to-guide/how-to-paint-knotted-and-resinous-timber/

Would a foam roller or normal medium pile roller give better results with this?

I used it with a medium pile roller and found that it went on evenly and gave a good base for top coat.

Hi, can I paint over this using a water based 0% VOC eggshell paint?? Thanks!

I painted two or three coats of eggshell on top and finished with clear coat of furniture wax - kitchen door revamp- and nearly a year later they still look as good

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Zinsser Bulls Eye 1-2-3 Primer-Sealer & Stain Killer 2.5 litre Ready Mixed Colour - White

Zinsser Bulls Eye 1-2-3 Primer-Sealer & Stain Killer 2.5 litre Ready Mixed Colour - White

Product ID: 56577751

Details

Brand
Zinsser
Colour
White
Finish type
Metal
Item volume
2.5 Litres
Paint type
Water-based
Size
2.5 l (Pack of

🎨Tintable to mid tones

⏱️Dries in 30 mins

🛡️Mould & mildew resistant

Description

🛠️ Prime like a pro, finish like a boss!

FAST TRACK FINISH - Touch dry in just 30 minutes, recoatable within an hour—get your project moving at lightning speed.
RUST RESISTANT ARMOR - Protects new metal with rust-inhibitive technology, preventing flash rust and extending the life of your paint job.
MOULD MILDEW SHIELD - Creates a water-resistant, mould and mildew-resistant film—ideal for high-humidity zones like bathrooms and laundries.
UNIVERSAL SURFACE GRIP - Adheres flawlessly to all surfaces without sanding, from glossy tiles to raw metal—no prep hassle, just perfect bonding.
STAIN GRAFFITI BLOCKER - Permanently seals tough stains, graffiti, and tannin bleed—keep your surfaces pristine and Instagram-ready.

Zinsser Bulls Eye 1-2-3 Primer-Sealer & Stain Killer is a premium water-based primer designed for both interior and exterior use. It offers rapid drying (30 minutes to touch dry), excellent adhesion without sanding, and superior stain-blocking capabilities. This 2.5-litre white primer is mould and mildew resistant, rust inhibitive for metal surfaces, and tintable to mid-tone colors, making it the go-to solution for professionals seeking a flawless, durable base coat that accelerates project timelines and ensures long-lasting protection.

Specifications

ASIN	B00A4970Z0
Age Range Description	Adult
Best Sellers Rank	433 in DIY & Tools ( See Top 100 in DIY & Tools ) 2 in Primer
Brand Name	Zinsser
Colour	White
Colour Code	#FFFFFF
Container Type	Bottle
Coverage	25-30m² per 2.5 liters
Customer Reviews	4.5 4.5 out of 5 stars (3,353)
Dry Time In Hours	0.5
Finish Type	Metal
Full Cure Time	0.5 Hours
Global Trade Identification Number	05037898610214
Included Components	1 x ZINBE12325L
Indoor Outdoor Usage	Indoor
Is Waterproof	False
Item Form	Liquid
Item Type Name	Zinsser BE12325L 123 Bulls Eye Primer / Sealer Paint 2.5 Litre
Item Volume	2.5 Litres
Item Weight	2.56 Kilograms
Manufacturer	Zinsser
Model Number	ZINBE12325L
Paint Type	Water-based paint
Part Number	ZINBE12325L
Product Warranty	None.
Size	2.5 l (Pack of 1)
Special Features	Odour Blocking
Specific Uses For Product	Interior/Exterior
Surface Recommendation	Wood, Metal, Walls
Unit Count	2500.0 millilitre
Water Resistance Level	Water Repellent

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