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Seal.

Helps Create a WaterProof Barrier

RhinoRoof® U20 Underlayment helps seal your home against water damage and other moisture infiltration which can cause mold growth and rotting deck boards. RhinoRoof® U20 is up to 2 times stronger than competitive synthetic underlayments and offers excellent wind resistance and durability through heavy roof traffic and adverse weather conditions. Ask your contractor about these other benefits too:

  • 20-Year Limited Warranty*
  • Ease of installation – Wider, lighter, more coverage per roll
  • Lays flat and does not wrinkle or absorb water
  • Provides roof deck protection from UV exposure for up to 90 days**
  • FiberGrip slip-resistant walking surface

RhinoRoof® U20 Roof Underlayment is part of the Owens Corning Total Protection Roofing System®.

* See actual warranty for complete details, limitations and requirements.
** Special application required for extended exposure. See installation instructions.


Roofing Contractor Customer Loyalty Program

Get a $100 Visa® Reward Card for every 30 rolls of Titanium® or 90 rolls of RhinoRoof® underlayment purchased. Click here for details

Dual Logo Printing Available

Maximize your street exposure and attract more customers with a custom dual logo RhinoRoof® dual logo print. Click here for details

Photo of a contractor installing RhinoRoof® U20 Synthetic Roofing Underlayment

Resources

RhinoRoof U20
RhinoRoof U20

Technical Information

RHINOROOF® U20 SPECIFICATIONS

Length per roll:

286’ / 87 m

Width per roll:

42” / 1.1 m

Weight per roll:

23.5 lbs / 10.6 kg

Roll size:

10 sq / 93 m²

Rolls per pallet:

67

Pallet weight:

1626 lbs / 738 kg

MEETS OR EXCEEDS THE FOLLOWING TEST STANDARDS

Breaking Strength

ASTM D146

Pliability

ASTM D146

Loss of Heating

ASTM D146

Unrolling

ASTM D226

Liquid Water Transmission

ASTM D4869

Tear Resistance

ASTM D4073

Dimensional Stability

ASTM F1087

Pliability

CSA A123.3

Moisture Vapor Permeance

ASTM E96

Burst Strength

ASTM D751

Class A Fire^

ASTM E108

^ UL Class A Fire Resistance applies when installed under asphalt shingles

Applicable codes and standards

  • ASTM D226
  • ASTM D4869
  • CAN/CSA A123.3
  • Florida Product Approval
  • Miami-Dade Product Approval
  • Texas Department of Insurance
  • ASTM E108/UL 790, Class A Fire Resistance
  • Intertek Code Compliance Research Report CCRR-1015

Total Protection Roofing System®

Total Protection is more than shingle deep

It takes more than shingles to protect your home. It takes an integrated system of components and layers designed to help perform in three critical areas.

  • SEAL Helps create a water-proof barrier
  • DEFEND Helps protect against nature's elements
  • BREATHE For balanced attic ventilation
Excludes non-Owens Corning® roofing products such as flashing, fasteners and wood decking

Roofing Products & Contractors

Contact Us

Even though we’re a global company, we’re always ready to answer your questions. Call to speak with an Owens Corning representative so you can start your project right away.