10 Best Roof Underlayments 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing 80 products, scanning 400 reviews, spending more than 36 hours of research and speaking with our test users, we think the Tyvek Protec 200 Roof Underlayment is the one of the Best Roof Underlayment on the market.

Tyvek Protec 200 Roof Underlayment – Best Overall Roof Underlayment

Tyvek Protec 200 Roof Underlayment
  • Compatible with roofs with asphalt shingles, cedar shingles and metal roofs
  • Use for repair, re-roofing and new construction applications
  • Trusted quality and durability from DuPont Tyvek
  • The unique embossed pattern allows for better traction and grip while walking on the roof

ArmorLay 25 Synthetic Roof Underlayment 4' x 250'

ArmorLay 25 Synthetic Roof Underlayment 4' x 250'
  • 10 square roll covers 1,000 square feet
  • Meets performance characteristics ASTM D4869 and ASTM D226 Standards
  • 60 Day exposure to UV
  • Slip resistant polymer applied to the bottom surface. Unique textured fabric allows for steep slope walk-ability
  • Won’t buckle, warp, or crack , Water resistant

Tyvek Protec 120 Roof Underlayment 4' x 250'

Tyvek Protec 120 Roof Underlayment 4' x 250'
  • Compatible with roofs with asphalt shingles, cedar shingles and metal roofs
  • Use for repair, re-roofing and new construction applications
  • Trusted quality and durability from DuPont Tyvek
  • The unique embossed pattern allows for better traction and grip while walking on the roof

Tyvek Protec 120 Roof Underlayment – Best Budget Roof Underlayment

Tyvek Protec 120 Roof Underlayment
  • ICC-ES AC 188, Intertek approved (CCRR-1062)
  • Industry-leading walkability and easy to chalk
  • 4' x 50' roll is easy to handle
  • Offers durability and high-performance under even the most demanding conditions
  • UV-resistance with up to 3-months UV exposure per ASTM D226 Type I & II

Grace Tri-Flex XT 48-in x 250-ft 1000-sq ft Synthetic Roof – Premium Pick

Grace Tri-Flex XT 48-in x 250-ft 1000-sq ft Synthetic Roof
  • Stronger and more durable and can be left exposed for up to 180 days or 6 months.
  • Suitable for use under all major roof coverings.
  • Facilitates faster and easier installation.
  • Lighter and covers more area.
  • Improved Slip Resistant Coating.

Tyvek Protec 200 Roof Underlayment Roll

Tyvek Protec 200 Roof Underlayment Roll
  • Compatible with roof types of asphalt shingles, cedar shingles, metal, tile and slate roofs.
  • 40-year limited product replacement warranty for builders, general contractors and Professional installers
  • UV-resistance with up to 6-months UV exposure per ASTM D226 Type I & II, ICC-ES AC188; Intertek approved (CCRR-1062), ASTM E108 Class "A" fire rating
  • Wrinkle-free, easy to chalk and Industry-leading walkability
  • Offers durability and high-performance under even the most demanding conditions

Tyvek Protec 160 Roof Underlayment

Tyvek Protec 160 Roof Underlayment
  • Compatible with roofs with asphalt shingles, cedar shingles, tile, slate and metal roofs
  • Use for repair, re-roofing and new construction applications
  • Preserves the roof deck during installation and provides an effective secondary moisture barrier.
  • The unique embossed pattern allows for better traction and grip while walking on the roof

Roof Protector Underlayment Roll

Roof Protector Underlayment Roll
  • Lightweight for easy handling and installation with 90 day UV exposure
  • Superior tear resistance compared to roofing felt for increased durability
  • Ideal for for sloped (>= 2:12) commercial and residential roofs and roofing applications under asphalt shingles or metal cladding

Tyvek Protec 160 Roof Underlayment Synthetic Roll

Tyvek Protec 160 Roof Underlayment Synthetic Roll
  • Industry-leading walkability and offers durability and high-performance under even the most demanding conditions
  • Ideal for sloped commercial and residential roofs, new construction and re-roofing applications
  • UV-resistance with up to 6-months UV exposure per ASTM D226 Type I & II
  • ICC-ES AC188; Intertek approved (CCRR-1062), ASTM E108 Class "A" fire rating

HydroShield Lifetime Synthetic Underlayment Single Roll

HydroShield Lifetime Synthetic Underlayment Single Roll
  • Slip resistant walking surface AND back surface – additional grip with two sided slip resistance
  • 20 times stronger than asphaltic felt – won’t tear off, buckle or curl when wet
  • UV resistant and can be left exposed for up to 6 months
  • Pre-printed nailing pattern and overlap lines speeds installation
  • LIFETIME WARRANTY - Roll Length: 250ft., Roll Width: 48in., Weight Per Square: 2.8 lbs

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