Dulux Trade Ultimate Opaque is a high performance solvent-based exterior coating, which produces a water repellent satin finish. This product combines a high performance solid colour with all the benefits of a premium quality woodstain. Unique Ultimate wood protection technology from Dulux Trade means exterior joinery is protected from extreme weather for up to 10 years if used in accordance with instructions, and so looks better for longer. Suitable for hardwoods and softwoods. Smooth wood: 20mÃ‚Â² / litre / coat (normally 2 coats).