Sadolin Extra Mahogany is a versatile varnish suitable for joinery projects such as doors and windows. Its flexible nature and water-repellent properties provide long-lasting protection. For optimal durability on new wood, consider using Sadolin Classic as a base coat, especially when working with hardwoods. This varnish is ideal for windows, doors, and conservatories, offering resistance to flaking, peeling, and blistering. It's also durable and hard-wearing.