Mulco Supra Elite Supra Elite is a high-performance, architectural sealant that's easy-to-use in a wide range of outdoor or indoor applications. FEATURES AND BENEFITS Industrial. Super premium hybrid sealant. Ideal for exterior and interior use, especially on doors, windows, siding, trim and rain gutters. Bubble-free, even on porous surfaces. Flexible and easy to tool. Applies easily in cold weather. Excellent adhesion. Will not shrink. Cured sealant is mildew resistant. Low odour, low VOC. Nonflammable. AVAILABLE COLORS Back to Mulco