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Titanium® PSU30 High-Temp Self-Adhered Underlayment - Owens Corning® Roofing | Owens Corning Roofing

Seal.

TITANIUM® PSU30

Made to Perform in Extreme Climates.

Titanium® PSU30 is a high-temp self-adhered underlayment that offers reliable protection for the roof deck backed by 20+ years of trust in market. This premium underlayment features outstanding walkability and grip with industry-leading Sure-Foot® dimensional mesh, helping roofers move quickly and confidently — even in wet conditions.

This versatile underlayment offers exceptional tear strength and a watertight+ horizontal lap system. It’s tough enough to perform during installation and beyond.

  • Engineered for waterproofing protection on 1/2:12 or greater sloped roofs*
  • Acts as a secondary water barrier and is engineered to help prevent ice dams
  • Designed for easy repositioning
  • Up to six months of UV exposure protection
  • 2.5x stronger‡‡ than competitive high-temp underlayments

Titanium® PSU30 comes with a Lifetime Limited Warranty1 and is part of the Owens Corning Total Protection Roofing System®.

DOWNLOAD THE TITANIUM PSU30 BROCHURE
Close-up of a dark metal roof installation over TITANIUM® PSU30 roofing underlayment, with trees in the background.
+ Tested in accordance with Self-Sealability around Nail; Self-Sealability of Side Lap Seam per ASTM D1970 (Owens Corning Testing, 2024)
* Under standing seam metal roof panels, and lapped, non-soldered seam metal roofs with applied lap sealant.
‡‡Compared to premium underlayments from competitive self-adhered brands (Owens Corning testing, 2024).
1See actual warranty for complete details, limitations and requirements. 

Roofing Contractor Customer Loyalty Program

Convert qualifying Titanium® underlayment purchases into financial rewards and business growth opportunities.

Click here for details

Technical Information

TITANIUM® PSU30 ROLL SPECS

LENGTH PER ROLL

72’ / 22 M

WIDTH PER ROLL

36” / 91.4 CM

WEIGHT PER ROLL

48 LBS / 21.8 KG

ROLL SIZE

2.16 SQ / 20 M²

TITANIUM® PSU30 TEST STANDARDS AND CODE APPROVALS*

PERMEABILITY ASTM E96

LOW TEMP FLEXIBILITY ASTM D1970

TEAR STRENGTH ASTM D1970

ASTM E108 CLASS A FIRE RESISTANCE**

TENSILE STRENGTH ASTM D1970

ADHESION TO PLYWOOD ASTM D1970

WEIGHT PER SQUARE ASTM D5261

CODE COMPLIANCE RESEARCH REPORT CCRR-1024

NAIL SEALABILITY ASTM D1970

FLORIDA PRODUCT APPROVAL

NOMINAL THICKNESS ASTM D5147

MIAMI-DADE COUNTY PRODUCT APPROVAL††

THERMAL STABILITY ASTM D1970

TEXAS DEPARTMENT OF INSURANCE

APPROVED USE WITH ICP AH-160 AND RTA-1 AND DOW TILEBOND FOAM ADHESIVES

*Meets or exceeds all below tests and standards.
**ASTM E108 Class A Fire Resistance when installed under asphalt shingles.
††Besides mechanically attached and adhered tile.

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
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