121 Asphalt Primer

121 Asphalt Primer

121 Asphalt Primer

A general-purpose penetrating asphalt primer used to promote adhesion prior to the application of hot-mopped, cold-applied and self-adhesive membrane systems, as well as roof cements, mastics and asphalt-based adhesives. Miami Dade County Approved. Meets ASTM D41.

  • ModBit
  • M&R

Features & Benefits

  • Available in pail or spray can
  • ASTM D41
  • Fed Spec SS-A-701
  • Required on all vertical surfaces for Mod Bit
  • Shelf life of 24 months
  • Not to be used on single-ply membranes




Item ID Description Packaging Qty per Ctn Weight per Ctn Cover Rate
16MH12114 MH 121 ASPHALT SPRAY PRIMER 15 oz 12/CT Spray Can 12 15 30 sq. ft. per can
16MH1215 MH 121 ASPHALT PRIMER 5 GAL Metal Pail 1 39 1 gallon per 100 sq. ft.


Application Example Image
Application Example Image

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