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.


Tyvek® Protec™ 120

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

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

    Physical Properties

      Method Unit Value
    Nominal Thickness<sup></sup> D1777 mm 0.248
    Liquid Water Transmission<sup></sup> D4869 - Pass
    Permeability<sup></sup> E96 perms <0.05
    Tensile Strength<sup></sup> D751 lbf 88.5
    Elongation<sup></sup> D751 % 21.5
    Tear Strength<sup></sup> D4533 lbf 25
    Fire Rating<sup></sup> ASTM E108 - Class A
    UV Exposure<sup></sup> ICC-ES AC188 days 90
    Temperature Range<sup></sup> Thermal Cycling - –40°F to 240°F
    Code Approvals<sup></sup> ICC-ES AC188, per Intertek CCRR-1062 ASTM D226 - Pass

    Available Sizes

    Roll width (ft.) Roll length (ft.) Roll coverage (square)
    4 50 2
    4 250 10