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Tyvek  |  SKU: 48966775374171

Tyvek Protec 120 Underlay - All Sizes


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Delivery & Shipping

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Returns

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Product Datasheets

Things you should know about this product!

  • This product is sold by the roll

Description

Tyvek® Protec™ 120 Underlay is a lightweight synthetic roofing underlayment ideal for asphalt shingles, metal, and cedar cladding installations. Its four-layer, embossed design provides increased grip, enhancing safety on slopes of 2:12 or higher. Built to reduce build times, Protec™ 120 serves as a secondary moisture barrier, protecting against leaks under the final roof cladding. This underlay must be covered with the roofing material within three months, making it ideal for renovation and repair projects where prompt coverage is expected. Available in convenient 48” x 250’ rolls for efficient handling and application.

Specifications

  • Length
    1.2m
  • Width
    15m or 76m

Key Features

  • 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

Where to use

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.

Frequently asked questions

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.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Compare with similar products

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Tyvek Protec 120 Underlay - All Sizes
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Tyvek Protec 160 Underlay - All Sizes
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Tyvek Protec 200 Underlay - All Sizes
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Price
Price
Length
Length
1.2m
1.2m
1.2m
Width
Width
15m or 76m
15m or 76m
15m or 76m
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Fire rating
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n/a
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Compressive strength
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How to Install Tyvek Protec Synthetic Roofing

Tyvek
Tyvek Protec 120 Underlay - All Sizes

Length

1.2m

Width

15m or 76m

Edge

N/A

Fire rating

N/A

Compressive strength

N/A

Density

N/A

Thermal conductivity

N/A

Material type

N/A
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