Weather Watch® Leak BarrierProtect Your Home From Wind-Driven Rain And Damaging Ice Dams With A Waterproof Leak Barrier IMPORTANT NOTE: The product Information Sheet for Weather Watch® Leak Barrier with a print date of 10/07 listed the incorrect information that Weather Watch Leak Barrier was made with a “high temperature compound” and was “suitable for use with most metal roof applications”. This product is not made with a high temperature compound and it is not suitable for use under any metal roof. The incorrect information was listed on the web site from October 15th -18th 2007 and distributed in hard copy form, October 1st – October 18th 2007. A Quality Leak Barrier Will:Create a 100% watertight seal that keeps water out at the most vulnerable areas of your roof (at the eaves and rakes, in valleys, around chimneys, etc.). Weather Watch®, a quality leak barrier, will:
Weather Watch® Mineral-Surfaced Leak Barrier is a key part of the GAF Lifetime Roofing System, and has even earned the prestigious Good Housekeeping Seal. (See Details) Don’t Put Your Home At Risk
Homeowner’s Best Choice
Professional’s Best Choice
Specifications
GAF Weather Watch ® Leak Barrier EXCEEDS the following requirements
of ASTM D1970
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| Property | Method | Requirement |
| Thickness (mils) | D5147 | Min. 40 |
| Tensile strength MD (lbf/in) | D2523 | Min. 25 |
| Tensile strength CMD (lbf/in) | D2523 | Min. 25 |
| Elongation at break, modified bitumen Portion – MD and CMD (%) | D2523 | Min. 10 |
| Adhesion to plywood at 75°F (lbf/ft-width) | D903 | Min. 12 |
| Adhesion to plywood at 40°F (lbf/ft-width) | D903 | Min. 2 |
| Thermal stability (mm) | D1204 | Max. 3 |
| Low temperature flexibility ( –20°F) | 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 |
| Waterproof integrity after low temperature flexibility | D1970 | Pass |
| Waterproof integrity of lap seam | D1970 | Pass |
Product Specifications (Nominal)
| Specification | 1.5 Square Roll | 2.0 Square Roll |
| Roll length | 50 ft (15.2 m) | 66.7 ft (20.3 m) |
| Roll width | 36 in (0.9 m) | 36 in (0.9m) |
| Sq. feet per roll | 150 sq ft (13.9 sq m) | 200 sq ft (18.6 sq m) |
Applicable Standards
- ICC-ES Evaluation Report (ESR 1322)
- Meets the performance criteria of ASTM D1970
- Texas Department of Insurance
- Miami-Dade County Approved
- State of Florida Approved
- UL Classified. See complete marking on product
Documents
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Brochures & Data Sheets
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In Focus Weather Watch®, Weather Watch® XT, StormGuard®, UnderRoof 2™ & UnderRoof ™ HT Data Sheet
07/25/2011 -
Leak Barriers Family Sell Sheet
01/01/2012 -
Residential Roofing Full Line Brochure
01/01/2012 -
Weather Watch MD - Info & Spec Sheet (French)
11/01/2005 -
WeatherWatch® Mineral Surfaced Leak Barrier - Sell Sheet
01/01/2012
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In Focus Weather Watch®, Weather Watch® XT, StormGuard®, UnderRoof 2™ & UnderRoof ™ HT Data Sheet
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Warranty Information
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GAF Shingle & Accessory Warranty
01/11/2012 -
GAF Shingle & Accessory Warranty - French Version
01/11/2012 -
GAF Shingle & Acessory Warranty - Spanish Version
01/11/2012 -
Golden Pledge® Limited Warranty
01/11/2012 -
System Plus Limited Warranty
01/11/2012 -
WeatherWatch & StormGuard Limited Warranty
03/10/2011
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GAF Shingle & Accessory Warranty
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Application Instructions
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Weather Watch® - Application instructions
12/08/2008
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Weather Watch® - Application instructions
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Code - Miscellaneous
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Codes - Florida Building Code Reports
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Codes - ICC Reports
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Codes - Miami Dade NOAs
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Material Safety Data Sheet (MSDS)
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Weather Watch® MSDS 1008A
02/01/2012
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Weather Watch® MSDS 1008A
WeatherWatch® Mineral-Surfaced Leak Barrier
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The GAF Lifetime 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.)
See GAF Shingle & Accessory Ltd. Warranty for complete coverage and restrictions.
The word "Lifetime" means as long as the original individual owner of
a single family detached residence (or the second owner in certain circumstances)
owns the property where the shingles and accessories are installed. For owners/structures
not meeting above criteria, Lifetime coverage is not applicable. Lifetime ltd. warranty
on accessories requires the use of at least three qualifying GAF accessories and
the use of Lifetime Shingles.


