Ronseal's uPVC paint is designed to be flexible, preventing cracking and mould resistant to minimize staining. It's ready to withstand whatever the weather throws at it. You can apply this paint directly to the surface without the need for a primer and it'll be rain ready in just one hour. This paint resists cracking and flaking, is mould resistant, stain resistant, and has a long-lasting, durable formula that's touch dry in one hour.