Ronseal uPVC Paint revamps uPVC windows and doors. It has a long lasting, durable formula that is flexible to prevent cracking and mould resistant to minimize staining. Ronseal’s uPVC paint is ready to withstand whatever the weather throws at it. You can apply Ronseal uPVC Paint directly to the surface without the need of a primer and it'll be rain-ready in 1 hour. Paints up to 6.5m2 per litre.