Sadolin Extra Durable Clearcoat is a unique formulation which offers the performance characteristics of a woodstain with minimal pigment content. Extra Durable Clearcoat works with the wood by providing a flexible barrier that protects your wood from the damaging effects of rain, moisture and sun/UV light. Behaving like a protective skin, Extra Durable Clearcoat will expand and contract with your wood to help significantly prevent blistering and flaking.