Titanium® PSU30 Self-Adhered Underlayment - 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.

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Specifications & Literature

BrochuresTitanium PSU30 Brochure

| 2.1 MB

Installation InstructionsTitanium PSU30 Install Instructions

| 283 KB

Brochures (1)

Installation Instructions (1)

Warranty (1)

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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*
CSA A123.5	PERMEABILITY ASTM E96
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	THERMAL STABILITY ASTM D1970
NOMINAL THICKNESS ASTM D5147	LOW TEMP FLEXIBILITY ASTM D1970
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.

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.