121 High-Tek Basecoat

Elastek 121

E-Las-Tek® 121 High-Tek Basecoat is an all-acrylic, highly elastomeric coating with exceptional adhesion to most surfaces. It is typically an asphalt primer and is frequently embedded with a polyester reinforced fabric.


  • Extremely water resistant
  • Good adhesion to urethane foam
  • Specially formulated first coat for use over asphalt; metal roof surfaces; flat, composition roofs; modified bitumen; previously coated foam roofs; aged galvanized steel and aged aluminum coated roofs; aluminum and clay surfaces
  • Offers excellent coverage and is helpful in sealing solvents in asphalt roofs to assure maximum roof coating performance
  • Ideal for polyester roofing fabric when used to refurbish an existing roof or create a new roof membrane


  • 5 Gal. Pail


  • Indicator Gray