Amerimax 20 In. x 10 Ft. Mill Galvanized Roll Valley Flashing M-D Building Products 30" whole house fan is

30" whole house fan is appropriate for homes with 2000 to 3000 sq

Color: Obsidian Black

Seat thickness: 5/16"

Rust proof aluminum step flashing can be used to help weatherproof around chimneys

Amerimax 20 In. x 10 Ft. Mill Galvanized Roll Valley Flashing M-D Building Products 30" whole house fan isProvide your roof with added protection from rough weather with Amerimax roll valley flashing. This versatile, rust resistant flashing can be bent, cut and shaped for most weatherproofing projects. This product is used by contractors and homeowners alike to produce custom flashings or drip edges to waterproof their homes or business. Can also be used for hobbies, crafts and household projects.