Tyvek® Protec™ Roofing Underlayment

Building Solutions | Tyvek® Protec™ Roofing Underlayment
Commercial | Residential | Multifamily | Wall

A material breakthrough for roofing protection

Advanced traction and grip for workers combined with lightweight durability and moisture protection for roofs, Tyvek® Protec™ Roofing Underlayment is ideal for renovation or new construction projects.


DuPont™ Tyvek® Protec™ Roofing Underlayment

Tyvek® Protec™ roofing underlayments feature a unique embossed pattern allowing for better traction and grip while walking on the roof. Plus, you’ll enjoy the added benefits of lightweight durability, excellent secondary moisture protection and a wrinkle-free surface for smoother installations. Tyvek® Protec™ underlayments are ideal for jobs from renovation to new construction, and designed for slopes 2:12 and higher under a variety of roofing materials.


Features & benefits

Feature Benefit
Industry-leading walkability
  • Better traction while walking on the roof in all weather and conditions
  • Grip
  • Slip-resistance coating
  • Easy to chalk
  • Accepts and holds chalk marks for more visible lines

    Physical properties

    Nominal Thickness Liquid Water Transmission Permeability Tensile Strength Elongation Tear Strength Fire Rating UV Exposure Temperature Range Code Approvals
    ASTM Method D1777 D4869 E96 D751 D751 D4533 ASTM E108 ICC-ES AC188 Thermal Cycling ICC-ES AC188, per Intertek CCRR-1062 ASTM D226
    Units mm - perms lbf % lbf - days - -
    Tyvek® Protec™ 120 0.248 Pass <0.05 88.5 21.5 25 Class A 90 –40°F to 240°F Pass
    Tyvek® Protec™ 160 0.379 Pass <0.05 96.8 20.3 30 Class A 180 –40°F to 240°F Pass
    Tyvek® Protec™ 200 0.419 Pass <0.05 113.9 19.4 67 Class A 180 –40°F to 240°F Pass

    Available sizes


    Length per roll (ft) Width per roll (in) Weight per roll (lb) Roll Size (sq)
    Tyvek® Protec™ 120 250 48 25 10
    Tyvek® Protec™ 160 250 48 31 10
    Tyvek® Protec™ 200 250 48 36 10