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SMARTCOAT™ 450 High Solids Silicone Coating is a 100% silicone-based, solvent-free, single-part roof coating. Unmatched direct-bond adhesion, SMARTCOAT 450 is an ideal coating for low-sloped or flat roofing systems, vertical walls, masonry, granulated BUR/mod-Bit, granulated APP, concrete, metal, single-ply membranes, and spray polyurethane foam (SPF) systems. 450 creates a membrane that is vapor permeable, adaptive to temperature extremes, UV resistant, watertight, and weatherproof. This product exhibits outstanding ponding water resistance. #450 may be used to re-coat existing silicone roof coatings and existing acrylic roof coatings. CertainTeed stands behind SMARTCOAT 450 with a 20-year warranty in a single-pass, 2.5 gallons per 100 sq.ft. Refer to published SMARTCOAT specifications for installation guidelines. SMARTCOAT 450 meets or exceeds ASTM D 7281. SMARTCOAT roof restoration products numbers align with proper application sequence. • 100 Series: Clean • 200 Series: Pr...See More

Features & Benefits

Quick Specs
• White, Gray, Santa Fe Tan, Black • Available in 5G pails and 55G drums • Tack Free less than 8 hours (RH dependent) • Approximately 1.5-2.5 gallons per 100 sq.ft., specification dependent
• Can be used to comply with the 2019 California Title 24 Part 6 Cool Roof Requirements, CRRC Product ID 0668-0152 • Meets or exceeds ASTM D 7281 • Tenacious direct-bond to most roofing substrates without primer
Why Buy
• Roof is a good candidate for restoration, including roofs with existing silicone coatings • Up to 20-year warranty in single-pass • May be applied to properly prepared surfaces that exhibit ponding water; see TDS for further considerations
CertainTeed offers SMARTCOAT product and product/workmanship warranties as well as CertainTeed Integrity Roof System Limited Warranty/NDL Limited Warranty SMARTCOAT Extensions, ranging from ten to twenty years for Gold Star Liquid-Applied Commercial Roofing Contractors.

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