General description Dulux Weathershield Multi Surface Quick Dry Satin is a water-based finish designed for exterior use on wood, metal, and uPVC. It offers a 6-year weather protection guarantee, ensuring your surfaces remain protected against the elements. Technical specifications Type: Water-based finish Volume: 2.5L Weather protection duration: 6 years Mould resistant: Yes Flexible to prevent cracking: Yes Installation Ensure all surfaces are clean, dry, and free from dirt, grease, rust, or flaking paint before application. Treat areas affected by mould, algae, or fungi with an appropriate fungicidal wash. Sand down surfaces to remove any sheen. For metal surfaces, remove rust using Hammerite Rust Remover. On new galvanized surfaces, allow to weather for six months before application. For new bare wood, prepare with Weathershield Exterior Preservative Primer+ (BP) and wipe off any excess. Repair surface defects using the appropriate Polycell product. For uPVC, apply directly to a