Page 13 - GAF

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Mineral-Surfaced Leak Barrier

Benefits: Product Details:

n Excellent protection at the eaves n Traditional mineral surfacing for use Nominal Specifications:
and rakes, in valleys, and around with asphalt shingle roof systems For use with asphalt shingles
chimneys and skylights, which guards 1.5 square roll:*
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against leaks caused by wind-driven n Split-back release film peels off in n 150 ft (13.94 sq. m) per roll *
rain, ice dams, backed-up gutters, layers for fast installation n Roll width: 36" (.914 m)
and roof settling n Eligible for up to a Lifetime limited n Roll length: 50' (15.24 m)
warranty when used on Lifetime 2.0 square roll:*
n Self-seals around fasteners to help 2 n 200 ft (18.58 sq. m) per roll
*
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avoid leaks Shingle roofs and it’s an eligible n Roll width: 36" (.914 m)
component of GAF residential n Roll length: 66.7' (20.33 m)
n Durable fiberglass-reinforced enhanced warranties. n UV exposure: Up to 60 days, if necessary
construction n Shelf life: Best if used within 1 year from
date of manufacture
*Excludes laps
Code Approvals:
n Meets or exceeds the performance
In the “North,” most building codes require criteria of ASTM D1970
the use of leak barriers at the eaves: 3 n Miami-Dade County Product
Control Approved
n State of Florida approved
n Protection against ice dams is n Ice dams can still occur in areas n Component of a UL Listed ANSI/UL
required by most building codes at where the average temperature is 790 Class A system when used with
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the eaves where the January average above 25°F (-4°C) UL Class A shingles 4
temperature is 25°F (-4°C) or lower n ICC-ES Evaluation Report (ESR-1322)

or where there is a possibility of ice n In warmer/Southern climates, leak 1 Check local building codes for requirements in your area.

2 See GAF Shingle & Accessory Limited Warranty for complete coverage
forming in the eaves — i.e., areas barriers provide critical protection and restrictions. The word “Lifetime” refers to the length of coverage
labeled “North” (see map). against wind-driven rain provided by the GAF Shingle & Accessory Limited Warranty and means
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as long as the original individual owner(s) of a single-family detached
residence [or the second owner(s) in certain circumstances] owns
Meets or exceeds the following requirements of ASTM D1970 the property where the shingles and accessories are installed. For
owners/structures not meeting the above criteria, Lifetime coverage
Property Method Requirement is not applicable. Lifetime limited warranty on accessories requires
the use of at least three qualifying GAF accessories and the use
Thickness (mils) D5147 Min. 40 of Lifetime Shingles.
Tensile strength MD (lbf/in) D2523 Min. 25 3 Source: International Building Code (IBC) and International

Residential Code (IRC)
Tensile strength CMD (lbf/in) D2523 Min. 25 4 Refer to UL Online Certification Directory for actual assemblies

Elongation at break, modified bitumen Portion – MD and CMD (%) D2523 Min. 10
Adhesion to plywood at 75ºF (24ºC) (lbf/ft-width) D903 Min. 12
Adhesion to plywood at 40ºF (4ºC) (lbf/ft-width) D903 Min. 2
Thermal stability (mm) D1204 Max. 3
Low temperature flexibility -20ºF (-29ºC) D1970 Pass
Tear resistance MD (lbf) D4073 Min. 20
Tear resistance CMD (lbf) D4073 Min. 20
Moisture vapor permeance (U.S. Perms) E96 A Max 0.1
Sealability around nail D1970 Pass North
Waterproof integrity after low temperature flexibility D1970 Pass
Waterproof integrity of lap seam D1970 Pass
©2020 GAF 2/ 20 • #105 • RESUL103 369374-1219
To learn more about the Lifetime Roofing
System visit gaf.com/Lifetime

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