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Solar Mastic

Heavy Duty Self-Priming Roof Coating

Elastek #100 Solar Mastic™ is an extra heavy-duty ultra premium white topcoat for a more reflective, energy-efficient surface. Based on styrenated-acrylic polymers of exceptional durability, Solar Mastic is Elastek’s better quality elastomeric roof coating.

About Solar Mastic

  • The favorite among contractors, ideal for virtually flat or sloped roofs. This roof coating may be used on flat, composition roofs; previously coated foam roofs; aged galvanized steel; aged asphalt composition; aluminum-coated roofs; and aluminum surfaces.
  • Very high solids content and styrene co-polymer makes coating particularly ponding water-resistant.
  • Good elongation for a high-solids coating, exceeds 450%.
  • Easy to apply with brush, spray, or roller. See our How To Apply Roof Coatings bulletin. Covers 100 sq. ft./gallon. Two coats recommended for maximum protection. Environmentally safe.

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