Revamp your UPVC windows and doors with our long lasting, durable formula. 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!To apply, lightly sand the area to give it an even finish using 180-220grit sandpaper (remember to wear a face mask!), clean up the dust and wipe down with a damp cloth. Give the paint a really good stir and paint it on with a brush or foam roller. Leave it to dry for 2-4 hours, then put your second coat on. If you're painting over a dark colour you may need to put a third coat on.