Liberty Mineral Surface Roll 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™ 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.

Good Housekeeping

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 roofing systems – proven in the field for decades!
  • Great Warranty…
    Free ltd. system warranty against material defects for up to 15 years*
  • Extended Guarantee Available…
    Optional full-system guarantees against manufacturing defects and workmanship errors 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
Liberty Color Options

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 Sheet LIBERTY™ Base/Ply Sheet LIBERTY™
Roll length 66 ft
(20.1 m)
66 ft
(20.1 m)
34 ft
(10.4 m)
Roll width 39.375 in
(1.0 m)
39.375 in
(1.0 m)
39.375 in
(1.0 m)
Roll thickness 0.068 in
(1.73 mm)
0.068 in
(1.73 mm)
0.157 in
(4.00 mm)
Roll weight 82 lbs
(37.2 kg)
82 lbs
(37.2 kg)
96.4 lbs
(43.7 kg)
Roll size 2 squares
216 sq ft
(20.1 m2)
2 squares
216 sq ft
(20.1 m2)
1 squares
112 sq ft
(10.4 m2)


All documents are U.S. English unless otherwise noted

Professional Installation

GAF Roof Wizard
Virtual Home Remodeler

Product Pricing and Where to Buy