Liberty Low-Slope Membrane Roofing

LIBERTY SBS Self-Adhering Roofing System

Protect Your Low-Slope Roof And Use No Special Tools When Installing A Self-Adhering Roofing System

A Self-Adhering Roofing System will provide long-lasting protection for the low-slope areas of your property without the danger or hassles associated with the installation of other conventional roofing products.

LIBERTY™ Roofing Systems are applied without torches, open flames, hot asphalt, or messy solvent-based adhesives. Unlike traditional roofing systems, they can be installed easily and quickly by a small roofing crew, without the hassles of bulky equipment or unpleasant odors.

The LIBERTY™ SBS Self-Adhering Roofing System has earned the prestigious Good Housekeeping Seal, which means that Good Housekeeping stands behind the products in this system. (Refer to Good Housekeeping Magazine for its consumer protection policy. Applicable in U.S. only.) (See Details)

Owner’s Best Choice

  • Safer For Your Building…
    Self-adhering membrane systems eliminate the need for open flames on your roof
  • No Fumes…
    Unlike conventionally applied systems, eliminates the fumes and odors caused by hot asphalt or solvent-based adhesives
  • Proven Technology…
    Based on the same technology used in GAF’s commercial modified bitumen roofing systems – proven in the field for decades!
  • Great Warranty…
    Free ltd. system warranty against material defects for up to 15 years*
  • Extended Guarantees Available…
    Optional full-system guarantees against manufacturing defects and workmanship errors available for up to 20 years**
  • Peace Of Mind…
    Backed by GAF, North America’s largest roofing manufacturer
  • Seven Popular Colors…
    To complement your Timberline® Shingles or other residential
    shingle roof

*See LIBERTY™ Limited Warranty on SBS Materials for complete coverage and restrictions.
** See System Pledge™ Roof Guarantee and RUBEROID®/GAFGLAS® Diamond Pledge™ NDL Roof Guarantee for complete coverage and restrictions.


Applicable Standards

  • FM Approved
  • UL Classified
  • Miami-Dade County Product Control Approved
  • FBC Approved
  • Texas Department of Insurance*

* Texas Department of Insurance does not apply to LIBERTY™ MA Base Sheet

Product Specifications (Nominal)

Roll weightTableTableTableRoll sizeTableTableTable

 LIBERTY™ MA Base SheetLIBERTY™ Self-Adhering Base/Ply SheetLIBERTY™ Self-Adhering Cap Sheet
Roll length66 ft (20.1 m)66 ft (20.1 m)34 ft (10.4 m)
Roll width39.375 in (1.0 m)39.375 in (1.0 m)39.375 in (1.0 m)
Roll thickness0.068 in (1.73 mm)0.068 in (1.73 mm)0.157 in (4.00 mm)
Roll weight82 lbs (37.2 kg)82 lbs (37.2 kg)96.4 lbs (43.7 kg)
Roll size2 squares 216 sq ft (20.1 m2)2 squares 216 sq ft (20.1 m2)1 squares 112 sq ft (10.4 m2)

Other Residential Roofing Products & Accessories (Not Part Of The Lifetime Roofing System)


Affordable, basic protection for projects on a limited budget.


Protect porches, carports, and other low-slope roofing areas with a quality membrane roofing system.


MasterFlow® Attic Ventilation offers a wide array of ventilation solutions designed for virtually any climate.


GAF ShingleMatch™ Roof Accessory Paint will help to hide unsightly protrusions on the roof including vent pipes, exhaust vents, etc.


Masonex Clear Masonry Sealer repels moisture on above-grade, vertical masonry surfaces


ThermaCal® Roof & Wall Insulation Panels insulate and ventilate (select models), while serving as a nailable base for roof coverings and siding

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What Our Clients Say About Working With Us
 Very good experience with roof replacement. Comfortable to work with. 
 We are so pleased with Brandon and his crew. They are very respectful, courteous. and committed to doing an excellent job. I would recommend Core Exteriors with 100 percent confidence that they will do a great job. 
 Very easy to work with. Quality job Was done on time as promised. I would highly recommend! 
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Core Exteriors

15370 290th Ave NW
Zimmerman, MN 55398
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