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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

      ecomedes sustainability logo 

      See how this product meets your sustainable roofing goals.  View sustainability information through our partnership with ecomedes.

      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.


      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.


      Affordable Luxury

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

      Look of Slate

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

      Peak Performance

      Advanced Protection® Shingle Technology provides excellent protection for your home

      Customer Service

      Find information on products, warranties, installation, residential and commercial field offices, and more.
      EXPLORE

      Recommended components

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


      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.

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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.

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      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.

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      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.

      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.

      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.

      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.

      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. 
      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.