exterior 450 finish, gloss - gallon general finishes designed for exterior wood applications, this varnish coats your wood with a tough,protective finish that will withstand the rigors of the sun, rain, and wind. ideal foroutdoor furniture, doors, and case goods, exterior 450 is fortified with uv absorbersto help minimize fading and maximize performance. its built-in mildewcide retardsmold and mildew growth. available in satin, gloss, and semi-gloss.exterior 450 is tough and flexible, and will resist the expansion and contraction ofthe wood through hot summers and cold winters that typically causes cracking andpeeling. available in quarts or gallons, it flows well and dries rapidly to a clearfinish.