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      About Slateline® asphalt shingles

      Slateline® Asphalt Shingles feature bold shadow lines and tapered cut-outs to create the appearance of slate at only a fraction of the cost of traditional slate. Now with GAF Time-Release Algae-Fighting Technology for long-lasting algae-fighting power so strong it allows us to offer a 25-year StainGuard Plus™ Algae Protection Limited Warranty against blue-green algae discoloration.1

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      See how this product can help you meet your environmental goals.  View sustainability information here.

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      Try it on! See how Slateline® shingles look on your home

      You wouldn’t buy glasses without seeing how they look first. Why buy shingles that way? See for yourself how Slateline® shingles look on your home with our Virtual Remodeler.
      See It On Your Roof


      The visual impact of a slate roof, without the cost

      Artisan crafted shapes combined with oversized tabs, a dimensional design inspired by slate, and a specially formulated color palette result in a sophisticated beauty unmatched by traditional shingles. Yet Slateline® shingles are only a fraction of the cost of traditional slate or wood shakes.

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      Affordable Luxury

      Only a fraction of the cost of traditional slate or wood shakes

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      Look of Slate

      Bold shadow lines and tapered cut-outs create the appearance of depth and dimension
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      Peak Performance

      Advanced Protection® Shingle Technology provides excellent protection for your home
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      25-year Limited Warranty against algae discoloration

      Specially engineered capsules release copper over time for long-lasting algae fighting power. Its protection so strong, it allows us to offer a 25-year limited warranty against blue-green algae discoloration.1
      125-year StainGuard Plus™ Algae Protection Limited Warranty against blue-green algae discoloration is available only on products sold in packages bearing the StainGuard Plus™ logo. See GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions.

      Warranty protection and advanced technology


      GAF Limited Warranty options

      Customers tell us the most confusing part of buying a roof is choosing the warranty. So here's an overview of warranties available for the GAF Lifetime Roofing System.

      GAF Limited Warranty Options | GAF Roofing
      †See GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions.The word “Lifetime” refers to the length of coverage provided by the GAF Shingle & Accessory Limited Warranty, and means as long as the original individual owner(s) of a single-family detached residence [or the second owner(s) in certain circumstances] owns the property where the shingles and accessories are installed. For owners/structures not meeting the 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.
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      The GAF Lifetime† Roofing System

      Install any GAF Lifetime† Shingle and at least 3 qualifying GAF Accessories and get a Lifetime† limited warranty on your qualifying products plus non-prorated coverage for the first 10 years. For even stronger coverage, ask your GAF factory-certified contractor about our enhanced warranty options. 
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      † Lifetime refers to the length of warranty coverage provided and means as long as the original individual owner(s) of a single-family detached residence [or eligible second owner(s)] owns the property where the qualifying GAF products are installed. For other owners/structures, Lifetime coverage is not applicable. Lifetime coverage on shingles requires the use of GAF Lifetime Shingles only. See the GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions. Visit gaf.ca/LRS for qualifying GAF products. Lifetime coverage on shingles and accessories requires the use of any GAF Lifetime Shingle and at least 3 qualifying GAF Accessories. See the GAF Roofing System Limited Warranty for complete coverage and restrictions. For installations not eligible for the GAF Roofing System Limited Warranty, see the GAF Shingle & Accessory Limited Warranty. Visit gaf.com/LRS for qualifying GAF products.
      † Definition of Lifetime: The word “Lifetime” means as long as you, the original owner(s) [or the second owner(s) if coverage was properly transferred during the Smart Choice® Protection Period], own the property where the shingles are installed. The Lifetime warranty is applicable only to shingles installed on a single-family detached residence owned by individuals. For any other type of owner or building, such as a corporation, governmental entity, religious entity, condominium or homeowner association, school, apartment building, office building, or multi-use structure, the length of the warranty is 40 years.See GAF Shingle & Accessory Limited Warranty and GAF Roofing System Limited Warranty for complete coverage and restrictions.
      1 Can be used to comply with 2019 Title 24 Part 6 Cool Roof Requirements of the California Code of Regulations
      2 Special Installation: GAF LayerLock™-labeled Shingles will be covered up to the maximum wind speed above ONLY if installed using 4 nails per shingle and you have GAF Starter Strip Products installed at the eaves and rakes. Special Installation for all other GAF Shingles requires use of 6 nails per shingle and GAF Starter Strip Products installed at the eaves and rakes.
      3 25-year StainGuard Plus™ Algae Protection Limited Warranty and 10-year StainGuard Limited Warranty against blue-green algae discoloration is available only on products sold in packages bearing the StainGuard Plus™ or StainGuard logo. See GAF Shingle & Accessory Limited Warranty for complete coverage and restrictions.

      Recommended components

      These GAF accessory components are recommended to give your new Slateline® shingle roof maximum durability and a finished look.

      product shot of Cobra Snow Country Advanced roofing ventilation
      Cobra® SnowCountry® Advanced Exhaust Vent for Roof Ridge

      Premium filtered ridge vent with 3” (76 mm) ring shank nails allows heat/moisture to escape the attic.

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      WeatherBlocker™ Premium Starter Strip Shingles

      Extra wide starter strip shingles with properly positioned adhesive help resist shingle blow-off.

      LEARN MORE >

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      Deck‑Armor™ Premium Breathable Roof Deck Protection

      Breathable technology helps manage roof system moisture and provides a secondary layer of wind-driven rain protection.

      LEARN MORE >

      stormguard leak barrier for roof
      StormGuard® Film‑Surfaced Leak Barrier

      Self-sealing protection for vulnerable areas of shingle and metal roofs against wind-driven rain and ice dams.

      LEARN MORE >

      Explore shingle colors and styles

      Find inspiration for your new roof project at the GAF Shingle Style Guide, and explore how your shingle choice will reflect your budget and goals.

      choosing the right shingle color

      Choosing the right shingle color

      Find the right style for you and your home.
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      How to choose roofing shingles

      The best roofing shingles for your home will meet your budget, provide the durability your roof needs, and create the curb appeal you want.
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