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.

Professional’s Best Choice

  • Safer For Your Installers.
    No torches, kettles, or dangerous chemicals – may even reduce your insurance premiums!


  • Quicker Installation.
    Often 1/3 faster than conventional systems, with minimal set-up or clean-up time


  • No Extra Tools.
    No need to stage expensive equipment


  • Proven Technology.
    Based on the same technology as GAF’s RUBEROID® SBS modified bitumen membranes


  • Flexible Installation Options.
    Color Palette
    Note: These blended colors are designed to complement your shingles, not to be an exact match. Because of the small size of these samples, it is difficult to reproduce the actual color effect. Please be sure to see a full-size roll before making a final color selection.


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)

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)