Our Ronseal Upvc Black Satin 2.5L paint is flexible to prevent cracking and mould resistant to minimize staining. It's ready to withstand whatever the weather throws at it. You can apply it directly to the surface without the need for a primer and it'll be rain ready in 1 hour. It resists cracking and flaking, is mould resistant, stain resistant, and has a long lasting, durable formula. It's touch dry in 1 hour.