PRS Vented Base

Product Documents

  • Heavyweight fiberglass venting base sheet constructed with fiberglass mat coated with asphalt.
  • Product is intended to be used over lightweight insulating fill decks, gypsum or other substrates where lateral venting is required.
  • Meets or exceeds ASTM D4897 Type II specifications
  • Product carries an Underwriters Laboratories G2 classification
  • Made from inorganic material that resists rotting
  • Porostiy of the felt allows for better asphalt penetration
  • Can be applied using hot asphalt, PERMASTIC cold adhesive or mechanical fasteners

Product Properties

D4897-16 Type II
Installation Method
Mechanical fasteners
Fiberglass mat coated with asphalt

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