PRS Modified Glass Base

Product Documents

  • High quality base or ply sheet constructed from fiberglass mat coated with SBS Modified Bitumen
  • Fiberglass reinforcement increases strength and durability while also providing a smooth uniform base
  • Adds inter ply adhesion between base ply and the membrane
  • Excellent strength for nail-holding ability
  • Meets or exceeds ASTM D4601 Type II specifications
  • Product carries an Underwriters Laboratories classification
  • Made from inorganic material that resists rotting
  • Can be applied using hot asphalt, PERMASTIC cold adhesive or mechanical fasteners

Product Properties

D4601 Type II
Installation Method
Hot asphalt, PERMASTIC cold adhesive or Mechanically Fastened

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