Nothing lasts longer with lower maintenance than a metal roof. It withstands severe weather changes free from unsightly panel distortion, breakage, or 'shedding' like traditional slate materials. ArrowLine Slate metal roofing is coated with Kynar 500, the industry's premium finish, which is corrosion-resistant, withstands even the harshest outdoor conditions for decades and has superior color retention. We back our product with the industry's best warranty. Period. Our virtually maintenance-free roof matches your lifestyle.