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Designer Tool

See how your GAF roof will look on your home before you purchase..!!

Easy to use! Choose a similar house, add your siding product,  select different colors, and styles.



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  • Cash
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  • Refinance
  • Debt Consolidation
  • Bad Credit Program
  • Deferred Payments (same as cash - Buy now Pay later)
  • Interest free program
  • Call us for more information about all of our options!


StormGuard® Film-Surfaced Leak Barrier

Protect Your Home From Wind-Driven Rain And Damaging Ice Dams With A Waterproof Leak Barrier.

A Quality Leak Barrier Will:
Create a 100% watertight seal that keeps water out at the most vulnerable areas of your shingle or metal roof (at the eaves and rakes, in valleys, around chimneys, etc.).

StormGuard®, a quality leak barrier, will:
  • Protect your home by preventing costly repairs due to wall or ceiling staining
  • Help prevent leaks due to water damming in your gutters, wind-driven rain, and, in the North, damaging ice dams
StormGuard® Film-Surfaced Leak Barrier is a key ­part of the GAF Lifetime Roofing System, and has even earned the prestigious Good Housekeeping Seal.

Don’t Put Your Home At Risk
  • The Codes Are Clear...
    Protection against ice dams is requiredat eaves wherever the January average temperature is 25°F or lower or where there is a possibility of ice forming in the eaves - i.e., the area labeled "North".
  • But Be Prepared...
    Ice dams can still occur in areas where the average temperature is above 25°F (not to mention wind-driven rain)
  • Avoid The Risks...
    If you are in an area that requires leak barrier protection – and if there is a leak – you could be putting your insurance coverage at risk by not installing it!
Homeowner’s Best Choice
  • Looks Better...
    Fiberglass reinforcement helps resist wrinkling and buckling – lays flatter under shingles 
  • Meets Building Codes...
    In the North, where a leak barrier MUST be used
  • Peace Of Mind...
    Up to a Lifetime ltd. warranty when used on Lifetime Shingle roofs, up to a 25-year ltd. warranty when used on non-Lifetime Shingle roofs, and up to a 10-year ltd. warranty 
Professional’s Best Choice
  • Helps Eliminate Waste...
    Special adhesive allows for one-time repositioning, but aggressively adheres over time 
  • Dependable...
    Self-seals around nails or metal roofing fasteners 
  • Saves Labor...
    Split-back release film peels off in layers for faster installation and greater homeowner value 
  • Convenient...
    2.0 square roll sizes. 
  • Great For Emergencies...
    Can be left exposed for up to 60 days if necessary 
  • Versatile...
    The high temperature compound is suitable for most shingle roof systems and metal roof applications.


GAF StormGuard® Leak Barrier EXCEEDS the following requirements of ASTM D1970

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)

Applicable Standards
  • ICC-ES Evaluation Report (ESR 1322)
  • Meets the performance criteria of ASTM D1970
  • Miami-Dade County Approved
  • State of Florida Approved
  • UL Classified. See complete marking on product

Roll Length 66.8 ft (20.3 m)
Roll Width 36 in (0.9 m)
Square Feet Per Roll 200 sq ft (18.6 sq m)