Custom Exterior 450 Water-Based Outdoor Topcoat Water-Based Extenders Accelerators & Brush and Gun Cleaner KBL-500 can be sanded and

KBL-500 can be sanded and polished to a high-gloss finish without cracking

Glossier sheens will boost durability and make the surface easier to clean

Available in gallons and 16 ounce sizes

18"W x 18"D x 37"H

Custom Exterior 450 Water-Based Outdoor Topcoat Water-Based Extenders Accelerators & Brush and Gun Cleaner KBL-500 can be sanded andCUSTOM TINTED EXTERIOR 450. FOR STANDARD CLEAR PLEASE VIEW OTHER LISTING. CUSTOM TINT ONLY AVAILABLE IN GALLON SIZES. General Finishes Exterior 450 Topcoat is a tintable, clear drying, low VOC water based finish designed for vertical exterior surfaces. Fortified with UV absorbers and built in mildewcides, it helps protect the integrity of the finish while slowing mold and mildew growth. Ideal for fences, patio furniture, garage doors, and entry doors.