The Roofing Book

Products / GAF LIBERTY SBS Self-Adhering Roofing System

GAF LIBERTY SBS Self-Adhering Roofing System

UL 2218 Class 4

GAF's SBS-modified, self-adhering peel-and-stick roll roofing system for low-slope residential roof areas such as porches, garages, carports, and sheds. Installs without torches, open flames, or hot asphalt; the system comprises the LIBERTY Self-Adhering Cap Sheet and Base/Ply Sheet with LIBERTY Asphalt Primer and Flashing Cement accessories. When installed as a complete 2-ply system it passes UL 2218A Class 4 impact-resistance testing.

Manufacturer
GAF
Material
Modified Bitumen
Product line
LIBERTY
Impact class
UL 2218 Class 4
Warranty
20 (material)
Standards met
  • UL 2218A Class 4
Status
active
Class 4 insurance note
Passes UL 2218A Class 4 impact-resistance testing only when installed as a complete 2-ply system (cap sheet plus base/ply sheet). Verify eligibility with the insurer before relying on a discount.
Spec sheet
PDF

Related

GAFManufacturer Modified BitumenMaterial

Related guides

Wind & Fire Ratings Class 4 Impact-Resistant Shingles Filing a Hail Insurance Claim

Sources