VaporDry® SA Roof Underlayment

*Limited Availability; Call for Distribution

VaporDry SA is one of the only fully self-adhered, vapor permeable underlayments. The continuous acrylic adhesive provides enhanced sealability, while reducing the potential of damage due to moisture build up. VaporDry SA helps to create a high-performance roof assembly when paired with Cedar Breather® Roof Ventilation Mat and Rapid Ridge® 7.

  • Can be used with Cedar Breather Ventilated Underlayment for maximum drying potential in wood, metal, and cold roof applications
  • Approved for use with all roofing types with a pitch 3:12 or greater
  • Provides enhanced protection from the elements during ‘dry-in’ period
  • Slip-resistant surface & printed overlap guides for an easier install
  • Meets ASTM D1970 testing standard for roofing underlayment
  • High temperature self-adhered underlayment: 250°F  service temperature


4.75 ft

Length per Roll

80 ft


Polypropylene Tri-Laminate

Vapor Permeability

14 perms ASTM E96(a)


Continuous Acrylic

Gross Coverage

380 sq. ft./roll



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