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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
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 icon](png/affordable_luxury17c8.png)
Affordable Luxury
Only a fraction of the cost of traditional slate or wood shakes
![Look of Slate icon](png/look_of_slatedd9f.png)
Look of Slate
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.
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](jpg/tile_cobra-snow-country-adv2397.jpg)
Premium filtered ridge vent with 3” (76 mm) ring shank nails allows heat/moisture to escape the attic.
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![weatherblocker starter strip shingles](jpg/tile_weatherblocker-related-products9818.jpg)
Extra wide starter strip shingles with properly positioned adhesive help resist shingle blow-off.
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![a roll of deck-armor roof deck protection](jpg/tile_deck-armor74d6.jpg)
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](jpg/tile_stormguard-16224.jpg)
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.