SMARTCOAT™ 210 is a highly engineered, single-component, water-based primer designed for application over TPO, Concrete, Galvalume, Galvanized Steel, Aluminum, and other common roofing substrates - including difficult to adhere to membranes or surfaces. Do not apply over silicone. SMARTCOAT 210 is designed to improve adhesion of SMARTCOAT 400 series coatings to the substrate and imparts water-resistant qualities before these coatings are applied.

Technical Information


Dark Grey




49 lbs

Dry Time 

2-4 hours


<50 g/L


8.6 lbs./G

Volume by Solids



Warranty Details

CertainTeed offers SMARTCOAT Limited Warranties, SMARTCOAT NDL Limited Warranties and Integrity Roof System Limited Warranty/NDL Limited Warranty SMARTCOAT Extensions, ranging from ten (10) to twenty (20) years to SMARTCOAT Approved Applicators and Silver/Gold Star Contractors. See Warranty Overview for details.

Export Information

Coverage: 1 – 1.5 gallons per 100 square feet, depending on surface porosity.

1. Clean roof surface thoroughly with SMARTCOAT 100 Roof Wash. Surface must be free of contamination that may inhibit adhesion. Surface must be clean and dry, free of moisture both on and beneath the surface before applying primer.

2. Lightly hand mix before using. Do not dilute.

3. Apply only at temperatures between 50ºF and 110ºF and no threat of rain for 48-72 hours. Apply on warm, sunny days, preferably in the morning hours to provide maximum cure time.

4. Using roller, brush or spray equipment, apply to the properly prepared surface at stated coverage rate. Allow to completely dry, typically 4-6 hours before the application of SMARTCOAT 400 Series Coating. SMARCOAT 210 is dark grey and glossy when applied; product will be darker with a matte surface when dry. Once dry, SMARTCOAT 400 Series Coating shall be applied as quickly as possible to avoid compromised adhesion.

5. Clean wet coating with soap and water. Dry coating may be removed with mineral spirits. Use care when handling solvents. Dry coating may be removed with mineral spirits. Use care when handling solvents.

For more information, see published SMARTCOAT specifications at

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