Certainted GAF Owens Corning Celotex ELK Products Price   30year. Prestique I $ 47.82 / 3bundle(=100sq) Antique Slate Shakewood Hickory Barkwood Sandalwood Birchwood Weatheredwood Sablewood Aspen White Forest Green Wedgewood 40year. Prestique Plus $ 59.82 / 4bundle(=100sq) Antique Slate Shakewood Hickory Barkwood Sandalwood Birchwood Weatheredwood Sablewood Aspen White Forest Green Wedgewood