
Protec 120 ~ 48" x 250' (30 Year Warranty) Roof Underlayment
Durable and reliable, the Protec 120 offers 30 years of protection with a flexible and lightweight design ideal for steep-slope roofing.
View ProductEngineered Performance with Tyvek Roof Underlayment from DuPont
DETAILS:
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Material: synthetic
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Roll size: 48” x 250”
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3 different profiles to choose from: 120, 160, and 200
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120
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Can be used under: asphalt shingle, cedar, or metal roofing
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Slope of 2:12 or higher
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Up to 3 months of protection
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30 year warranty
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9.76 ml thick
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160
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Can be used under: asphalt shingle, cedar, or metal roofing
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Slope of 2:12 or higher
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Up to 6 months of protection
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40 year warranty (https://www.dupont.com/content/dam/dupont/amer/us/en/performance-building-solutions/public/documents/en/tyvek-protec-160-40-year-warranty-43-d100835-enna.pdf)
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14.9 ml thick
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200
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Can be used under: asphalt shingle, cedar, metal, cladding, tile or slate
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Slope of 2:12 or higher
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Up to 6 months of protection
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50 year warranty (https://www.dupont.com/content/dam/dupont/amer/us/en/performance-building-solutions/public/documents/en/tyvek-protec-200-50-year-warranty-43-d100740-enna.pdf)
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16.5 ml thick
WHAT’S INCLUDED:
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Roof protector roll
More details:
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Class A fire rating
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Tear, slip and water-resistant
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Withstands up to 90 days of UV exposure
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2” chalk-marked guidelines for easier shingle alignment
About this product…
Protect Your Roof with Confidence Using Tyvek Roof Underlayment
Looking for superior roof protection during installation? Tyvek roof underlayment is the essential first layer between your roofing materials and the elements, built to safeguard your deck while ensuring a smooth, professional installation process.
DuPont’s Tyvek Protect line offers advanced, four-layer underlayment solutions engineered for grip, strength, tear-resistance, and weather durability—all in a lightweight, easy-to-handle format. Whether you're tackling a new construction build or renovating an existing structure, Tyvek Protect helps deliver lasting performance.
The textured, embossed surface provides excellent walkability on steep slopes, and every roll is printed with 2" chalk guidelines to support fast, accurate shingle alignment. Designed for roof slopes 2:12 and higher, this underlayment is trusted by professionals for its reliability under asphalt shingles, cedar shakes, and metal roofing.
You can choose from three specific performance tiers:
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Tyvek Protect 120 roof underlayment – Lightweight and strong, perfect for asphalt shingles and metal roofing.
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Tyvek Protect 160 – Also referred to as Tyvek 160, this mid-tier option adds more durability for demanding materials.
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Tyvek 200 – The most robust option, ideal for use beneath tile, slate, and even cladding.
All profiles in the Tyvek Protect family are engineered to withstand the demands of modern roofing projects and provide the dependable protection your home or building needs.
Installation Instructions:
Warranties are available upon request.
Have questions about which Tyvek roof underlayment is right for your build? Contact the Deck Expressions team—our expert customer support is available 24/7 to help you choose the perfect match for your project.