About LIBERTY™ Self‑Adhering Base/Ply Sheet
LIBERTY™ SBS Self-Adhering Roofing Systems are applied without torches, open flames, or hot asphalt, and are suitable for many primed substrates. LIBERTY™ Self-Adhering Base/Ply Sheet is a self-adhering modified bitumen roofing membrane intended to be used as either a base sheet for LIBERTY™ Self-Adhering Cap Sheet or as a ply sheet in modified bitumen roofing systems, providing long-lasting protection on low-slope roofs.
- Convenient self-adhering installation eliminates open flames, hot asphalt, or dangerous chemicals on your roof
- Reinforced with a glass mat which is coated with polymer-modified asphalt
- Installed as a base sheet with LIBERTY™ Self-Adhering Cap Sheet or ply sheet for modified bitumen systems
- Up to a 20-year limited warranty against manufacturing defects depending on system1
Key Benefits
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Versatile
Serves as a base/ply sheet in LIBERTY™ Systems and mod-bit systems -
Convenient Installation
No torches, open flames, hot asphalt, bulky equipment, or messy solvent-based adhesives -
Durable
Reinforced with a fiberglass mat coated in polymer-modified asphalt
1See Limited Warranty on LIBERTY™ Self-Adhering Materials for complete coverage and restrictions
Get automatic Lifetime Protection on your entire GAF roofing system
Product Documentation
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Liberty System Sell Sheet RESLB100
Data Sheets
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Liberty System Sell Sheet SPANISH RESLB100S
Data Sheets
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Liberty™ SBS Self-Adhering Base Ply Cap Sheet SDS - 1008C
Safety Data Sheets
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RESLB507-PDF-1223_Liberty Calculator
Installation Instructions and Guides
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RESWT176 - Golden Pledge Limited Warranty Addendum for Low-Slope Roofs
Warranties Guarantess and Addendums
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RESWT177 - System Plus Limited Warranty Addendum for Low-Slope Roofs
Warranties Guarantess and Addendums
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RESWT220 - Silver Pledge Limited Warranty Addendum for Low-Slope Roofs
Warranties Guarantess and Addendums
LIBERTY™ SBS Self-Adhering Roofing System Installation — Step-by-step*
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Step 1
Inspect the roof, and repair or replace damaged areas. -
Step 2
Apply LIBERTY™ Asphalt Primer at a rate of a 1/2 gallon per 100 sq. ft. -
Optional (for 2-ply system):
Install LIBERTY™ Self-Adhering Base/Ply. -
Step 3
Install edge flashing at all eave and rake edges, and apply LIBERTY™ Flashing Cement on exposed flange. -
Step 4
Install LIBERTY™ Self-Adhering Cap Sheet. -
Step 5
Clean up by removing tools, unused materials, and other debris. Plan on inspecting roof annually if possible.
*See application instructions for complete details.