Ronseal 10 Year Woodstain provides protection for your windows and doors for an entire decade. It's easy to apply and doesn't require a basecoat or primer, allowing you to paint immediately. With just a couple of hours of work, your doors and windows will maintain their appearance year after year. This woodstain offers 10 years of guaranteed protection for your exterior wood, shielding it from rain, frost, snow, and sunshine. It is formulated to prevent peeling or flaking and is rainproof within one hour.