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. 
This product can be used to comply with certain FORTIFIED Roof™ requirements. Visit gaf.com/fortified and current FORTIFIED Home™ Standard available at fortifiedhome.org for details. Applicable in the U.S. only.
Slateline Artisan shingles offer a combination of beauty and benefits that go beyond. High-performance technology enhances the shingle at its core and achieves UL 2218 Class 4 impact-resistance rating. When installed as a complete roofing system, it helps reduce risk, improve roof performance, and support a longer-lasting result.
