Could this be used to protect a painted floor?

Yes. I have finished off three painted floors with this varnish. Great protection and ten months later they still look great with a good shine.

Can this be used over brillant white vinyl matt paint on a MDF door.

I cant see why not it's great stuff, I made table matts and used it on them, they have stood up to a lot of abuse with not a sign of scratches. If it were me I would give it a go

Can this be used on chalk painted air dry clay coaster? Will it offer some heat protection and not be tacky as I don’t want the mugs to stick to it.

Hi Nicola Haven't used on clay but have on decoupage coasters and tray , used 2 coats I waited 24hrs before 2nd coat , it has heat protection. Hope this helps, Patricia

Can i use this dead flat finish over existing polyvine satin finish without sanding down?

I think so - the application instructions don't mention denibbing between coats, however, I used 2 layers of satin on my kitchen worktop, then used the dead flat finish on top, but I did sand down using a high grit sandpaper between coats just to get a smoother finish.

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Polyvine Heavy Duty Interior Varnish Satin or Dead Flat Finishes – Quick Dry Varnish – Polyurethane, Water-Based, Water Resistant Coating for Indoor Woodwork, Painted Surfaces & More, Dead Flat 500ml

Polyvine Heavy Duty Interior Varnish Satin or Dead Flat Finishes – Quick Dry Varnish – Polyurethane, Water-Based, Water Resistant Coating for Indoor Woodwork, Painted Surfaces & More, Dead Flat 500ml

Product ID: 49378702

Details

Brand
Polyvine
Finish type
Matte
Liquid volume
500
Material
Polyurethane
Recommended uses for product
Interior

💧Water-based, easy water cleanup

⏱️Fast drying in 45 minutes

🛡️Industrial-grade polyurethane toughness

€ 47.53

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖌️ Elevate your interiors with a finish that works as hard as you do!

VERSATILE COVERAGE - Covers 15–20m² per litre on wood, MDF, and painted surfaces—doors, cabinets, furniture, and more.
UNMATCHED DURABILITY - Resists chemicals, oils, heat & abrasion for a finish that lasts through life’s wear and tear.
TRUSTED CRAFTSMANSHIP - Backed by 40 years of UK expertise, delivering professional-grade results every time.
CRYSTAL CLEAR ELEGANCE - Non-yellowing, ultra-clear finish enhances natural wood beauty in satin or dead flat options.
SPEED MEETS EFFICIENCY - Dries in just 45 minutes with recoating possible within 1–2 hours—perfect for busy pros and DIYers alike.

Polyvine Heavy Duty Interior Varnish is a water-based, polyurethane formula designed for ultra-tough, clear protection on indoor wood and painted surfaces. It dries quickly in 45 minutes, offers a choice of satin or dead flat finishes, and resists chemicals, heat, oils, and abrasion. With 15–20m² coverage per litre and easy water cleanup, it’s the go-to varnish trusted by professionals for durable, beautiful results in high-wear areas.

Specifications

ASIN	B00J9I9HAS
Best Sellers Rank	3,692 in DIY & Tools ( See Top 100 in DIY & Tools ) 18 in Varnish
Brand	Polyvine
Compatible Material	Wood
Coverage	12 sq ft/100ml
Customer Reviews	4.6 out of 5 stars 1,281 Reviews
Finish	Matte
Finish type	Matte
Included Components	1 Tin
Item Form	Liquid
Item Type Name	Varnish
Item Weight	0.54 Kilograms
Item weight	0.54 Kilograms
Liquid Volume	500 Millilitres
Liquid volume	500 Millilitres
Manufacturer	Polyvine
Material	Polyurethane (PU)
Model Number	5030777000922
Number of Items	1
Number of Packs	1
Part Number	SPAUKAA6152
Recommended Uses For Product	Interior
Recommended uses for product	Interior
Unit Count	500.0 millilitre

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