Specification

LIBERTY
™
SBS Self-Adhering Base/
Ply Sheet is a durable modied
bitumen membrane designed and
manufactured to meet relevant
industry and code requirements.
The product is designed for use as
a waterproong membrane and is
reinforced with a glass mat, which
is coated with a polymer-modied
asphalt.
Uses:
LIBERTY
™
SBS Self-Adhering Base/Ply
Sheet is designed for use with LIBERTY
™
SBS Self-Adhering Cap Sheet to help
protect the low-slope areas of
your roof.
Description: Advantages:
n
Up to 15-Year Limited Warranty
covering manufacturing defects
available for select systems.
1
n
LIBERTY
™
systems are applied without
torches, open ames, hot asphalt, or
messy solvent-based adhesives and
are suitable for primed plywood decks
and many other substrates.
Application:
LIBERTY
™
SBS Self-Adhering Base/Ply
Sheet is applied using its unique
self-adhering formulation. Technical
and sales information can be obtained
through Technical Services at
877- GAF- ROOF.
Application Standards:
1
Exclusions apply. See Limited Warranty on LIBERTY
™
SBS Self-
Adhering Materials for complete coverage and restrictions.
2
Refer to UL Product iQ for actual assemblies.
3
Refer to FM RoofNav.com for actual assemblies.
4
Installed coverage will be lower and depend on quantity and width
of side and end laps.
n
UL/ULC Listed
2
n
FM Approved
3
n
Miami-Dade County
Product Control approved
n
State of Florida Approved
n
UL ER1306-02
n
Texas Dept. of Insurance Report RC-121
n
Meets ASTM D4601, Type II Requirements
n
Meets ASTM D1970 Requirements
Product Details:
5
Roll size
2 squares — excludes laps
4
(216.6 gross sq. ft.) (20.1 m
2
)
Roll length
66' (20.1 m)
Roll width
39.375" (1.0 m)
Aprox. roll
weigh
82 lb. (37.2 kg)
Product
thickness
0.068" (1.73 m)
We protect what matters most
™
©2022 GAF 3/22 • #349 • RESLB118-PDF
LIBERTY
™
SBS Self-Adhering Roong System
Visit gaf.com/Liberty or Call 877-GAF-ROOF
This product meets or exceeds the following ASTM
D4601, Type II minimum requirements:
Properties Criteria (D4601, Type II)
5
Low/high temperature unrolling
40°F
No sticking or cracking
140°F
Breaking strength, lbf/in.
MD
≥ 44
XMD
Pliability, ½-inch radius mandrel
MD
No failures
XMD
Width of roll, in. As agreed
Area of roll As agreed
Net dry mass, lb./100 ft
2
≥ 15.5
Moisture, % ≤ 1.0
Mass of desaturated glass mat, lb./100 ft
2
≥1.7
Surfacing and stabilizer, % ≤ 65
Asphalt, lb./100 ft
2
≥7. 0
Ash, % 70 to 88
5
Data reported based on available independent and in-house resources. GAF reserves the right to change or modify, at its discretion, and without
prior notice, any of the information, requirements, specifications, or policies contained in this document.
Base/Ply Sheet