Tyvek Protec 120 Underlay - All Sizes

• Grip
• 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

Residential and commercial construction: Tyvek® Protec™ 120 is typically used as a roofing underlayment in both residential and commercial construction. It is applied beneath various types of roofing materials, such as asphalt shingles, metal, or tile, to provide a layer of protection for roof decks. Its purpose is to prevent moisture infiltration, offer secondary weather resistance, and improve roof durability. Tyvek® Protec™ 120 is particularly suited for roof slopes of 2:12 or higher, making it ideal for steep-slope roofing applications.

What is Tyvek Protec 120?

Tyvek Protec 120 is a synthetic roofing underlayment designed to provide a water-resistant barrier under various types of roofing materials, such as asphalt shingles, metal, or tiles. It offers durable protection against moisture while allowing for easier installation compared to traditional felt.

What is the main purpose of Tyvek Protec 120?

Tyvek Protec 120 acts as a secondary water-resistant layer beneath the roof covering, protecting the roof deck from water infiltration, moisture damage, and wind-driven rain during and after roof installation.

How is Tyvek Protec 120 installed?

Tyvek Protec 120 is installed over the roof deck, starting from the bottom edge of the roof. It is rolled out horizontally and overlapped at the edges. The underlayment is fastened using nails or staples, and care should be taken to ensure a smooth, wrinkle-free application.